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World Health Network

@thewhn.bsky.social
11K followers 4 following 1.1K posts

Bringing people, science, and compassion together to solve world problems and protect health. Let's #EndThisPandemic together.

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World Health Network @thewhn.bsky.social · 21h
October 2026 Edition Available Now! WHN’s Kids’ Zone Magazine is a free, downloadable issue packed with kid-friendly stories, art, science, and COVID-conscious lifestyle ideas made for families who are still choosing care. (...)
Cover of the World Health Network Kids’ Zone COVID-Conscious Magazine, October 2026, Issue 27. A masked child wearing a purple shirt with a black bat stands in front of colorful autumn trees, pumpkins, falling leaves, and cute Halloween ghosts. Text reads: “WORLD HEALTH NETWORK KIDS’ ZONE — COVID-CONSCIOUS MAGAZINE.” “COZYING UP WITH MENTAL HEALTH EDITION.” Featured topics: “HALLOWEEN COSTUMES TO WEAR WITH YOUR MASK,” “COVID AND MENTAL HEALTH,” “THERAPIST SPOTLIGHT,” “SHORT STORIES FROM OUR READERS,” and “… AND MORE INSIDE!” “CHECK US OUT ONLINE AT: WHN.global/KidsZone.” Kids’ Zone World Health Network logo. “EXPLORE | SHARE | CONNECT.” Footnote: “*Masked person in bat shirt art by FrenchieBoops.”
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World Health Network @thewhn.bsky.social · 01/10/2026
COVID-19 continues to circulate, and the patterns we’re seeing are becoming increasingly regional. During our latest WHN Town Hall, Dr. Joe Eastman broke down current COVID-19 trends, emerging variants, what wastewater data is showing, and why layers of protection, (...)
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World Health Network @thewhn.bsky.social · 30/09/2026
COVID-19 can still affect you, even if you’ve never had it or recovered without complications. Reinfection is possible, Long COVID can follow even a mild case, and an infection that feels manageable for one person can be much more serious for someone else. (...)
World Health Network graphic on a dark background with a bright pink bar across the top. WHN logo appears at top left and “World Health Network — Science for a safer, healthier world” at top right. Large headline reads: “5 reasons you should be concerned about COVID-19, even if you’ve never had it or you’ve recovered →” “COVID-19” is highlighted in pink. Below a divider line, text reads: “Just because you’ve never had COVID-19, or you’ve had it before and recovered, doesn’t mean you should stop being concerned about it.”World Health Network graphic listing the first two reasons to remain concerned about COVID-19. Text reads:
“1. You can still get sick.
Having never had COVID-19 doesn’t make you immune, and recovering from a previous infection doesn’t guarantee that you won’t get it again.
2. You can still develop Long COVID.
Even after a mild infection, some people experience lasting problems such as extreme tiredness, brain fog, headaches, breathing difficulties and sleep problems. You don’t necessarily have to be hospitalized before you can develop persistent symptoms. For some people, these symptoms can last for months or even years.”World Health Network graphic listing reasons three and four to remain concerned about COVID-19. Text reads:
“3. You can spread it to someone who is more vulnerable.
You might recover easily from COVID-19, but an older relative or someone with certain health conditions may not. What feels like a mild infection to you could become a serious illness for someone else.
4. Protecting yourself also protects the people around you.
You may be able to spread COVID-19 before you even realize you’re infected or before your symptoms become obvious. By the time you start feeling sick, you may have already passed it on to someone else. That’s why building safe habits matters.”World Health Network graphic presenting the fifth reason to remain concerned about COVID-19. Text reads:
“5. Your next infection may not affect you the same way.
If you had COVID-19 before and recovered without major problems, that doesn’t mean every future infection will be mild. Your previous experience is not a guarantee of how your body will respond the next time.
For more information, read the full PDF on our website:
whn.global/out-of-the-headlines-not-out-of-existence”
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World Health Network @thewhn.bsky.social · 29/09/2026
Each COVID infection carries risk, and repeated infections can add to that risk over time. Reducing how often we get infected matters. Layered precautions like cleaner indoor air, well-fitting masks, vaccination, testing, and staying home when sick can all help reduce exposure (...)
World Health Network graphic on a dark background with green accents. Large text reads: “Immune systems are damaged by repeat COVID infections, not strengthened.” The word “damaged” is highlighted in green. Below, smaller text reads: “Repeated COVID infections can disrupt immune function, increase inflammation, and raise the risk of Long COVID.” WHN branding appears at the top: “whn.global” and “World Health Network — Science for a safer, healthier world.”
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World Health Network @thewhn.bsky.social · 28/09/2026
We shouldn’t have to wait for a COVID surge to start protecting ourselves. Layered prevention helps reduce transmission before cases climb and hospitals become overwhelmed. Masking, cleaner indoor air, vaccination, testing, and staying home when sick all work together to reduce (...)
World Health Network graphic on a dark background with orange accents. At the top are the “whn.global” logo and the text “World Health Network — Science for a safer, healthier world.” Large text reads: “We should not need a COVID surge to care about prevention.” The words “COVID surge” are highlighted in orange. Below a horizontal line, smaller text reads: “Masking, clean air, vaccination, testing and staying home when sick work before hospitals become overwhelmed.”
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World Health Network @thewhn.bsky.social · 25/09/2026
COVID-19 is surging again. Join World Health Network and Joe Eastman for a Town Hall exploring the latest data on the current surge, what it means, and practical steps you can take to reduce your risk and protect your community. Today, September 25 at 2 PM ET (...)
Town Hall: The Current COVID Surge. Friday, Sept. 25 | 2 PM ET. COVID-19 is surging again. Up to 1 in 10 people may be sick with COVID-19 at any given time. Join WHN and Joe Eastman for a timely Town Hall exploring the latest data on the current surge, what it means, and how you can reduce your risk and protect your community. Photo of Joe Eastman smiling and wearing sunglasses, with his name below.
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World Health Network @thewhn.bsky.social · 24/09/2026
Prior infection doesn’t guarantee protection from getting COVID again. Reinfections can happen, and every new infection is another opportunity to develop Long COVID. Reducing the number of times we’re infected still matters. #COVID #COVID19 #LongCOVID #CovidIsNotOver #CleanAir
World Health Network graphic on a black background with white and bright pink text. Large headline reads: “More exposure doesn’t equal better protection.” Supporting text reads: “Getting COVID doesn’t protect you from getting it again. Repeated COVID infections create repeated opportunities for developing Long COVID.” The top includes “whn.global” and the World Health Network tagline, “Science for a safer, healthier world.”
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World Health Network @thewhn.bsky.social · 23/09/2026
Some health departments are still showing what strong public health communication can look like: clear guidance on COVID-19, masking, clean air, testing, vaccination, and other practical ways people can reduce their risk. We want to highlight more of them. If your local, state, or regional (...)
World Health Network graphic on a dark background. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Large headline: “Public health communication done right.” Below are three overlapping public health social media posts. The first, from Durham Health NC, reads: “It’s very important to stay home & away from others if you’re sick. (Even if it’s not COVID-19. No one wants to get sick with a cold, flu, or any other virus either!) But we know that sometimes staying home is not an option, so: If you have to go out, take steps to protect yourself and others.” The second, also from Durham Health NC, reads: “Which of the following people can develop Long COVID? A. People who are old or have other health conditions. B. People who are young and have no other health conditions. C. People whose COVID-19 was mild or had no symptoms. D. People who had severe COVID-19 and were hospitalized. E. All of the above.” A green check marks “E. All of the above.” Below: “Anyone can develop Long COVID. Avoid Long COVID by avoiding COVID-19, and talk to your doctor if you have new or long-term symptoms after having COVID-19.” The third, partially obscured, is from Washington State Department of Health, dated March 5, 2026, with the headline: “Measles remains a growing concern in Washington as it surpasses 10 cases in 2026.” Bottom text on the WHN graphic: “A few health departments keeping COVID-19, masking, and respiratory protection in the conversation with clear, practical public health messaging →”World Health Network graphic on a dark background. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Centered is a green Public Health Scotland graphic with a shield-and-cross icon and large text: “It’s not too late to protect yourself against COVID-19.” Logos along the bottom read: “Public Health Scotland,” “Healthier Scotland — Scottish Government,” and “NHS Scotland.” Below the image, the WHN graphic reads: “Public Health Scotland.”World Health Network graphic on a dark background. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Centered is a bright blue Illinois public health social media graphic reading: “CAN WE SKIP THE ‘EVERYONE’S SICK’ PART THIS YEAR?” Below: “Here’s how to get ahead of the next COVID wave.” The account handle “@illinoisdph” appears at the bottom. Below the image, the WHN graphic reads: “Illinois Department of Health.”World Health Network graphic on a dark background. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Centered is a Durham County Public Health graphic with illustrations of people experiencing fever, sneezing, coughing, and resting while sick, alongside a thermometer and tissue box. Large text reads: “Avoid the summer COVID surge!” Below: “Take steps to help reduce your risk of getting sick or spreading illness to others.” Below the image, the WHN graphic reads: “Durham County Public Health.”
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World Health Network @thewhn.bsky.social · 22/09/2026
Steven Spielberg wears a respirator while being interviewed outside the opening of the Lucas Museum of Narrative Art on September 19, 2026. Respiratory protection doesn’t have to be unusual or disruptive. For many people, it remains a simple, everyday way to reduce the risk of airborne (...)
A man with gray hair and glasses, wearing a black filtering facepiece respirator and a dark suit, speaks into a handheld microphone outdoors. The WHN Global logo appears at the top left. Large text reads: “Steven Spielberg is still masking in 2026.” Smaller text at the bottom reads: “Steven Spielberg, interviewed outside at the opening of the Lucas Museum of Narrative Art on September 19, 2026, wearing a respirator.”
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World Health Network @thewhn.bsky.social · 21/09/2026
September 2026 Edition Available Now! WHN’s Kids’ Zone Magazine is a free, downloadable issue packed with kid-friendly stories, art, science, and COVID-conscious lifestyle ideas made for families who are still choosing care. (...)
Promotional graphic from whn.global for the Kids’ Zone Magazine – September 2026 Edition. Text reads: “A free, downloadable resource created to help kids feel connected, empowered, and proud of living COVID-conscious.” The September 2026 magazine cover, Issue 26, reads: “World Health Network Kids’ Zone – COVID-Conscious Magazine” and “Back to School.” Illustrations include school notebooks, an apple, stylized lungs, a CO₂ symbol with downward arrows, and an air purifier. The cover says: “Back to School Clean Air Edition,” “Clean Air in Schools,” “Butterflies and Bunnies,” “Short Stories,” “Celebrating Safely,” “Extraterrestrial Environments,” “… and more inside!” and “Check us out online at: WHN.global/KidsZone.” At the bottom: “Kids’ Zone – World Health Network,” “Explore | Share | Connect.” The graphic ends with: “Download now at whn.global/kidszone.”
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World Health Network @thewhn.bsky.social · 17/09/2026
On World Patient Safety Day, patient safety includes more than treating the condition that brought someone to their provider. COVID-19 can lead to Long COVID, and repeated infections have increasing health impacts. Preventing exposure in health care settings is part of healthcare. (...)
World Health Network graphic for World Patient Safety Day. Large text reads: “Patient safety means preventing the next infection.” Below: “COVID is communicable, and a single COVID infection can lead to Long COVID that lasts for months or years. Reinfections are common.” Blue virus illustrations appear on the right. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Bottom label: “World Patient Safety Day.”World Health Network graphic for World Patient Safety Day. Large text reads: “Safe care should not create new harm.” Below: “People can be infected with SARS-CoV-2 more than once, and repeated infections carry increasing health risks. For someone already living with Long COVID or another chronic condition, being exposed to another infection can have even more serious consequences. Preventing that exposure is part of patient safety.” Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Bottom label: “World Patient Safety Day.”World Health Network graphic for World Patient Safety Day. Large text reads: “Safe care includes safe air.” Below: “Hospitals and other health care facilities already take measures to prevent avoidable infections. Preventing airborne transmission should be an essential part of those protections. Better ventilation and filtration, well-fitting respiratory protection (N95 or better) for patients, visitors, and health care workers, strong standards for respiratory protection, and broader policies that reduce exposure to airborne pathogens make health care environments safer. Protection should extend beyond the exam room to waiting rooms, hallways, elevators, restrooms, cafeterias, and other shared spaces.” A blue air-themed icon appears at the lower right. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Bottom label: “World Patient Safety Day.”World Health Network graphic for World Patient Safety Day. Large text reads: “Patients should leave health care healthier than when they entered.” Below: “Communicable and noncommunicable diseases do not exist in separate worlds. An infection can cause chronic disease. Chronic illness can make another infection more consequential. And a person seeking treatment should not acquire a new illness in the process. Safe care includes preventing the next infection.” An orange line icon at the lower right shows a person above an open hand with a heart and medical cross. Top text: “whn.global” and “World Health Network — Science for a safer, healthier world.” Bottom label: “World Patient Safety Day.”
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World Health Network @thewhn.bsky.social · 16/09/2026
Meet Katelyn, head of WHN’s Science Content Team. Her team helps turn complex public health and science topics into clear, accessible content people can actually use. From newsletters and article editing to Kids’ Zone contributions and the Clean Air Panel series, the goal is simple: (...)
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World Health Network @thewhn.bsky.social · 14/09/2026
Each COVID infection is another opportunity for Long COVID to develop. Reduce your risk by layering protections: wear a well-fitting respirator, improve indoor air with ventilation and filtration, stay up to date on vaccination, test when appropriate, (...)
World Health Network graphic. Top left: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Large text reads: “More COVID infections can mean more long-term risk.” Below: “Every prevented infection is one less opportunity for Long COVID to develop.” In a pink box at the bottom: “Avoid Long COVID by avoiding COVID.”
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World Health Network @thewhn.bsky.social · 11/09/2026
A thought experiment by the German DAGL @dagl.bsky.social (dagl.de)
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World Health Network @thewhn.bsky.social · 10/09/2026
Myth: Masks don’t work against COVID-19. Fact: A well-fitting, high-quality respirator can significantly reduce your exposure to airborne virus. Fit and filtration matter, which is why respirators such as N95s are recommended. Protect yourself. Protect others. #COVID19 #COVID #MaskUp #LongCOVID
Black graphic with the WHN logo at the top left and “World Health Network – Science for a safer, healthier world” at the top right. Large pink and white text reads: “Myth: Masking is ineffective against COVID-19.” At the bottom: “Myths vs. Facts: COVID-19.”Black graphic with the WHN logo at the top left and “World Health Network – Science for a safer, healthier world” at the top right. Large pink and white text reads: “Fact: Masking is highly effective against COVID, so long as you are using a respirator-quality mask that works well for your face shape.” At the bottom: “Myths vs. Facts: COVID-19.”
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World Health Network @thewhn.bsky.social · 09/09/2026
Long COVID can affect far more than just energy levels. Symptoms may involve the brain, heart, lungs, immune system, digestion, sleep, senses, mood and other parts of the body, and can persist long after the initial infection. Reducing your risk of COVID also reduces your risk of Long COVID.
Graphic from the World Health Network (whn.global). Large headline: “Long COVID can affect nearly every part of the body.” Supporting text: “Symptoms can involve the brain, heart, lungs, immune system, digestion, sleep, senses, mood, reproductive health and more.” A teal box at the bottom reads: “Avoid Long COVID by avoiding COVID.”
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World Health Network @thewhn.bsky.social · 08/09/2026
High-quality, well-fitting masks help reduce the spread of airborne infections and protect both you and the people around you. Masking remains a simple, effective layer of protection. #COVID #COVID19 #MaskUp #WearYourMask #Masking
Dark charcoal World Health Network graphic with the WHN.global logo at top left and “World Health Network — Science for a safer, healthier world” at top right. Large centered text reads: “Masks work.” with “work.” in bright pink. Below is a simple white face-mask icon surrounded by pink accent lines. Bottom text reads: “High quality masks reduce the risk of airborne infection and protect the people around you.”
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World Health Network @thewhn.bsky.social · 04/09/2026
We usually think of air pollution as something that happens outside. Traffic. Smoke. Wildfires. Smog. But the air inside our homes, schools, offices, and other indoor spaces can contain its own mix of pollutants, including fine particles, chemicals, allergens, and airborne germs. (...)
Cream-colored graphic with scattered pale yellow dots. The WHN logo and the tagline “Science for a safer, healthier world” appear at the top. Large text reads: “Indoor vs. Outdoor Air Quality. What Are You Breathing?” Below, the text reads: “When we think of air pollution, we often picture traffic, smog, and wildfires. But the air inside our homes, schools, and workplaces matters too. Since we spend 80–90% of our time indoors, indoor air quality plays a major role in our health. In fact, indoor air can contain five times higher levels of some pollutants than outdoor air.” “SWIPE →” appears at the bottom.Cream-colored graphic with scattered pale yellow dots. The WHN logo and the tagline “Science for a safer, healthier world” appear at the top. Heading: “Types of Air Pollution.” Below, the text reads: “Outdoor air pollution often comes from vehicle emissions, industrial activity, wildfires, and gases like ozone and nitrogen dioxide. Indoor air pollution can come from everyday sources such as cooking, gas stoves, candles, tobacco smoke, dust, mold, furniture, paints, and cleaning products that release chemicals called volatile organic compounds (VOCs). Both indoor and outdoor environments can contain PM₂.₅ — tiny particles that can travel deep into the lungs.” “SWIPE →” appears at the bottom.Cream-colored graphic with scattered pale yellow dots. The WHN logo and the tagline “Science for a safer, healthier world” appear at the top. Heading: “Indoor Air Pollutants.” Below, the text reads: “Indoor air pollution can also include much higher concentrations of many biological contaminants than outdoor air. These include mold spores, pet dander, and bacteria that cause Legionnaires’ disease. Germs like TB bacteria, measles viruses, and SARS-CoV-2 can also spread in indoor air. Every breath you exhale releases thousands of tiny particles that can remain in the air for hours and spread like smoke—taking any respiratory germs with them.” “SWIPE →” appears at the bottom.Cream-colored graphic with scattered pale yellow dots. The WHN logo and the tagline “Science for a safer, healthier world” appear at the top. Heading: “Protect the Air You Breathe.” Below, the text reads: “PM2.5 exposure can contribute to: • Coughing and wheezing • Lung irritation • Reduced lung function • Worsening heart and lung conditions. Cleaner air starts with small actions: • Improve ventilation • Use HEPA filters when needed • Turn on kitchen exhaust fans • Reduce smoke and unnecessary burning • Wear an N95/FFP2 mask to filter the air you inhale.” “SWIPE →” appears at the bottom.
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World Health Network @thewhn.bsky.social · 03/09/2026
COVID-19 doesn’t only pose a risk to people considered “high risk.” Long COVID can affect anyone, including people who were previously healthy, nondisabled, and children. Symptoms can persist for months or longer and may significantly impact daily life. (...)
Black graphic with the WHN logo at the top left and “World Health Network — Science for a safer, healthier world” at the top right. Large pink and white text reads: “Myth: COVID-19 is only dangerous to ‘at-risk’ people.” A pink-outlined label at the bottom reads: “Myths vs. Facts: COVID-19.”Black graphic with the WHN logo at the top left and “World Health Network — Science for a safer, healthier world” at the top right. Large pink and white text reads: “Fact: Long COVID is a condition where people don’t ‘get better’ after a COVID infection. It can be debilitating and disabling. Everyone is at risk of Long COVID, including people who are nondisabled and children.” A pink-outlined label at the bottom reads: “Myths vs. Facts: COVID-19.”
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World Health Network @thewhn.bsky.social · 02/09/2026
Your local health department can play an important role in keeping your community informed and protected. WHN’s Health Department Outreach Campaign makes it easier to speak up with practical steps, email templates and resources you can use to contact local health officials and advocate (...)
White graphic with the WHN logo at the top left and “whn.global/health-department-outreach-campaign” at the top right. Large pink and black text reads: “COVID cases are rising. Your health department should be talking about it.” A black label at the bottom reads: “Health Department Outreach Campaign.”White graphic with the WHN logo at the top left. Text reads: “Across the US & the world, people are looking for science-based health guidance — yet public trust has been eroded by messaging that is inconsistent with science, and agencies have failed to communicate the airborne nature of COVID-19 transmission and the risk of Long COVID. Our local health departments should be aware of clear, evidence-based recommendations to prevent the spread of public health threats like COVID-19 and misinformation. You can help make that happen. whn.global/health-department-outreach-campaign” A black label at the bottom reads: “Health Department Outreach Campaign.”
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World Health Network @thewhn.bsky.social · 01/09/2026
Small choices can make a big difference when it comes to reducing the spread of respiratory illness. Mask with a high quality respirator, test when you may have been exposed, improve ventilation and stay home when you’re sick. (...)
Graphic on a dark background featuring a woman wearing a white respirator. Text reads: “whn.global. World Health Network. Science for a safer, healthier world. Small choices make a big impact. Mask. Test. Ventilate. Stay home when sick. Thank you for doing your part.”
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World Health Network @thewhn.bsky.social · 31/08/2026
Clean indoor air belongs on the back-to-school checklist. Students spend hours each day inside classrooms, and the air they breathe can affect health, attendance, concentration and learning. Improving ventilation, filtration and overall indoor air quality (...)
Graphic on a white background. The whn.global logo appears at the top left, and “World Health Network — Science for a safer, healthier world” appears at the top right. Large text reads: “Schools need clean indoor air.” Below is an illustration of a school building surrounded by trees and shrubs. A blue banner at the bottom reads: “Healthy air helps kids learn.”
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World Health Network @thewhn.bsky.social · 26/08/2026
For airborne infections, fit and filtration matter. A well-fitting N95 or better respirator is designed to filter airborne particles and provide stronger protection for the person wearing it. Better respiratory protection should be the standard. #COVID #COVID19 #PublicHealth #Masking #MaskUp
Graphic on a dark background with the World Health Network logo and the text: “Respirators should be the standard.” Below, an illustrated white respirator is marked with a green check, while a blue medical mask is marked with a red X. Additional text reads: “Medical masks are not designed to protect against airborne infectious particles. N95s or better should be the standard.”
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World Health Network @thewhn.bsky.social · 25/08/2026
Stopping Ebola in the DRC will take more than one action. WHN’s new guideline outlines five interconnected priorities: lowering conflict barriers, putting community-based monitoring first, limiting movement between communities, getting essential resources to the ground, and (...)
World Health Network graphic over a darkened photo of health workers wearing full protective suits and masks. WHN logo: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Large headline, with “Ebola outbreak” highlighted in yellow: “The Ebola outbreak in the DRC is out of control.” Text below: “Cases are growing, the growth is accelerating, and the contact-tracing strategy meant to contain it has failed. More than 80% of new cases are being detected outside known contact lists. The response must be community-led, coordinated, and acted on now.” Bottom labels: “WHN Science Communications” and “Ebola in the DRC.”World Health Network graphic on a dark gray background. WHN logo: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Large headline: “Stopping Ebola requires action on five fronts.” Yellow heading: “1. Lower the conflict barrier.” Text: “Violence fuels Ebola and blocks the response. But stopping the outbreak does not require ending the wider conflict first. Progress can be made zone by zone, creating space for communities to protect their own.” Yellow heading: “2. Put community monitoring first.” Text: “Find cases where they are, by monitoring communities directly. This means door-to-door monitoring: regular checks for fever and other symptoms across affected communities, so that cases are found early and isolated fast.” Bottom labels: “WHN Science Communications” and “Ebola in the DRC.”World Health Network graphic on a dark gray background. WHN logo: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Yellow heading: “3. Limit movement between communities.” Text: “Control the movement between communities and you bound the outbreak, and a bounded outbreak, held to a limited area, can be driven to zero on ground that is no longer expanding beneath you.” Yellow heading: “4. Get resources to the ground.” Text: “Monitoring and protection require essential supplies: thermometers, protective equipment, and resources to safely isolate and care for people with early symptoms.” Yellow heading: “5. Build trust and deliver clear information.” Text: “Disinformation and distrust undermine the response. Communities need clear, trusted information on how Ebola spreads and how to stay safe.” Bottom labels: “WHN Science Communications” and “Ebola in the DRC.”World Health Network graphic on a dark gray background. WHN logo: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Yellow heading: “A note on vaccines.” Text: “Vaccination helped end the DRC’s own 2018–2020 outbreak, so it is natural to ask why it is not one of the fronts here. The reason is that this outbreak is caused by the Bundibugyo strain, for which no vaccine has yet been approved. Doses have recently been allocated to the DRC to protect health and response workers and to conduct trials toward approval, a welcome step for those most exposed but not a population-wide answer. Work toward a proven vaccine deserves attention and support for the institutions engaged in developing it, but the response taking place now cannot wait.” URL: “whn.global/scientific/stopping-ebola-in-the-drc”. Bottom labels: “WHN Science Communications” and “Ebola in the DRC.”
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World Health Network @thewhn.bsky.social · 21/08/2026
Issue 3 available now! WHN Voices Magazine is a community publication created by and for people who care about public health, clean air, Long COVID, disability justice, and building a safer future. We're looking for articles, personal stories, poetry, artwork, interviews, reviews, (...)
World Health Network promotional graphic on a white background. At the top left is the “whn.global” logo. At the top right: “World Health Network — Science for a safer, healthier world.” Large blue text reads: “Voices Magazine — Issue 3 out now!” Below: “WHN Voices Magazine is a magazine published every two months, for the COVID-cautious and the COVID-curious.” The center shows the cover of “WHN Voices Magazine — Issue 3 — July/August 2026,” featuring a photo of a masked woman in a yellow top receiving an injection in her upper arm, with a blue heart graphic over the photo. At the bottom: “Email your contributions to whnvoices@whn.global
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World Health Network @thewhn.bsky.social · 20/08/2026
Masking is a two-way street. A well-fitting, high-quality respirator can help protect you from breathing in airborne infections, while also reducing the amount of infectious particles you release into the air if you’re sick. (...)
Poster from whn.global / World Health Network on a white background. At the top left is the “whn.global” logo; at the top right, the text reads: “World Health Network — Science for a safer, healthier world.” Large centered headline reads: “Masking protects everyone.” The word “Masking” is bright pink, while “protects everyone.” is black. Below the headline is a black-and-white line illustration of a group of people wearing face masks, including people in T-shirts and several wearing hats or caps. Full text: “whn.global. World Health Network. Science for a safer, healthier world. Masking protects everyone.”
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World Health Network @thewhn.bsky.social · 19/08/2026
Cyclosporiasis cases are rising across the U.S., with thousands of illnesses reported and a recent outbreak linked to iceberg lettuce. Knowing how Cyclospora spreads, which foods may carry higher risk, and what symptoms to watch for can help reduce your risk and get treatment sooner if needed. (..)
World Health Network graphic with a close-up background image of green lettuce leaves. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.”

Large white text reads: “What is cyclosporiasis?”

Below:

“Cyclosporiasis is a gastrointestinal illness that has recently come into the spotlight due to a sudden increase of cases in the U.S. and South America.

The infection is associated with the protozoan Cyclospora cayetanensis and characterized by explosive watery diarrhea that can last for over a month, loss of appetite, bloating, nausea, and fatigue. Symptoms start a week or more after consumption.”

At the bottom are labels reading “WHN Newsletter” and “Cyclosporiasis.”World Health Network graphic on a dark charcoal background. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.”

Large white text reads:

“Across the United States, over 20,000 people have developed cyclosporiasis this year and hundreds of people have been hospitalized.”

Below:

“On August 3, 2026, it was announced that two people have died of Cyclospora in Michigan.”

At the bottom are labels reading “WHN Newsletter” and “Cyclosporiasis.”World Health Network graphic on a dark charcoal background. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.”

Large white and green text reads:

“It has recently been reported that iceberg lettuce distributed by Taylor Farms has been linked to the outbreak in 15 different states.”

Below:

“Since Taylor Farms’ iceberg lettuce was sold in at least 31 states, the number of states with documented cases is likely to increase. Taylor Farms issued a recall on July 17, 2026, for certain Marketside brand lettuce products with ‘Best if Used By’ dates between July 18 and August 3, 2026.”

At the bottom are labels reading “WHN Newsletter” and “Cyclosporiasis.”World Health Network graphic on a dark charcoal background. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.”

Large white text reads:

“Preventing cyclosporiasis means avoiding weeks of explosive diarrhea, fatigue, and dehydration.”

Below are four bullet points:

“• Avoid foods that are likely to be contaminated, such as shredded lettuce, cilantro, leafy greens, berries, and fresh herbs.

• Wash produce, even if it is marked as ‘prewashed,’ and wash your hands before and after preparing food.

• Cooking food is an effective way to prevent cyclosporiasis, while freezing or refrigerating food does not eliminate risk.

• Cyclosporiasis can be diagnosed through microscopic analysis or PCR testing of stool samples and is typically treated with a seven-to-ten day course of trimethoprim-sulfamethoxazole, along with fluids to prevent dehydration.”

At the bottom are labels reading “WHN Newsletter” and “Cyclosporiasis.”
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World Health Network @thewhn.bsky.social · 18/08/2026
COVID transmission may be lower right now, but lower doesn’t mean gone. Lulls are exactly when precautions tend to slip, giving the virus more opportunities to spread and setting the stage for the next wave. As summer wraps up and back-to-school season begins, keep layering your protection: (...)
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World Health Network @thewhn.bsky.social · 18/08/2026
COVID-19 may be having a quieter summer nationally, but that doesn’t mean transmission is low everywhere. In this discussion, Dr. Joe Eastman and Dr. Michael Hoerger break down the latest COVID-19 data, regional variation, what current models are showing, and why the national average (...)
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World Health Network @thewhn.bsky.social · 17/08/2026
Join us for a special Town Hall on Wednesday, August 19th, from 1–2pm EDT featuring Gerardo (Jerry) Lopez, Associate Professor & Extension specialist focusing on STEM, food safety, and environmental microbiology in the School of Animal and Comparative Biomedical Sciences at the University of Arizona
Graphic for a World Health Network town hall on cyclosporiasis. At the top are the “whn.global” logo and the tagline “Science for a safer, healthier world.” Large text reads: “TOWN HALL — Cyclosporiasis Discussion.” A dark banner says: “WEDNESDAY, AUG 19 | 1–2PM ET.” Below: “Learn more about this foodborne illness, how it spreads, and what public health professionals and communities should know about prevention, detection, and response.” A circular portrait of Gerardo Lopez appears underneath, labeled: “Gerardo Lopez, M.A.T, M.Ed, PhD.”
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World Health Network @thewhn.bsky.social · 17/08/2026
Prevention is easier than recovery. Small steps taken before illness spreads can make a big difference: improve indoor air, stay home when sick, mask in higher-risk settings, test when appropriate, and protect the people around you. Public health works best when we act early. #CleanAir
Dark World Health Network graphic with the WHN logo “whn.global” at top left and “World Health Network — Science for a safer, healthier world” at top right. Large central text reads: “Prevention is easier than recovery.” The word “Prevention” is highlighted in bright pink, with the remaining text in white. A large, subtle outline of a respirator mask appears in the lower-right background. Text at the bottom reads: “Clean air, masking, testing, and staying home when sick can help reduce your risk of COVID-19 and Long COVID.” The words “COVID-19 and Long COVID” are highlighted in pink.
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World Health Network @thewhn.bsky.social · 14/08/2026
COVID levels may be lower right now, but this is exactly when prevention can make the biggest difference. Wastewater data shows that COVID often follows a pattern of major seasonal waves. By layering protections early, wearing N95s, improving indoor air, (...)
White campaign graphic from the World Health Network. The black “whn.global” logo appears at the upper left, with a small pink dot between “whn” and “global.” At the upper right, black text reads:

“World Health Network
Science for a safer, healthier world”

Large bold text in the center reads:

“The best time to slow a COVID wave is before it starts.”

The words “COVID” and “wave” are highlighted in yellow; the remaining text is black. Near the bottom left is a yellow rounded rectangle reading:

“Don’t make waves campaign”

A yellow circle containing a black line drawing of an ocean wave appears at the bottom right.White World Health Network campaign graphic. The black “whn.global” logo appears at the upper left, with a small pink dot between “whn” and “global.” At the upper right, black text reads:

“World Health Network
Science for a safer, healthier world”

Large bold black text reads:

“Taking precautions early can reduce transmission and help protect our communities from another summer surge.”

Below the message are six yellow rounded rectangles arranged in two columns. They read:

“Wear N95s”
“Open windows”
“Run HEPA filters”
“Test regularly”
“Get vaccinated”
“Stay home when sick”

A yellow circle containing a black line drawing of an ocean wave appears at the bottom right.White World Health Network campaign graphic. The black “whn.global” logo appears at the upper left, with a small pink dot between “whn” and “global.”

Large bold text reads:

“That’s why WHN launched Don’t Make Waves: a campaign for collective action to keep COVID transmission low.”

The words “Don’t Make Waves” are highlighted in yellow; the remaining text is black.

Smaller bold black text below reads:

“Join the Don’t Make Waves campaign by sharing this message and helping make COVID precautions more visible and accessible.”

Near the bottom left is a yellow rounded rectangle reading:

“Don’t make waves campaign”

A yellow circle containing a black line drawing of an ocean wave appears at the bottom right.
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World Health Network @thewhn.bsky.social · 12/08/2026
Over the past year, WHN has continued advancing health through science, collaboration and practical action. From helping shape stronger standards for respirator use in healthcare settings to supporting a global letter to the World Health Organization signed by more than 2,000 people, (...)
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World Health Network @thewhn.bsky.social · 12/08/2026
The Ebola outbreak in the Democratic Republic of Congo is unfolding within a much larger crisis. Conflict, displacement, mining, crowded living conditions, limited access to clean water and health care, and frequent movement between communities are all shaping how difficult the outbreak (...)
Text-only World Health Network graphic on a dark charcoal background. The white “whn.global” logo with a pink dot appears at the top left. At the top right, white text reads: “World Health Network” and “Science for a safer, healthier world.” A short orange horizontal line appears beneath the header. Large bold white and orange text reads: “The Ebola outbreak is where the violence and mining threads come together.” “Ebola outbreak” is highlighted in orange. Below, smaller bold text reads: “The same region where the outbreak is unfolding is home to mobile mining communities, large populations living in displacement camps, and communities already disrupted by conflict, creating conditions that could make a deadly outbreak especially difficult to control.” The final phrase, “conditions that could make a deadly outbreak especially difficult to control,” is highlighted in orange.Text-only World Health Network graphic on a dark charcoal background. The white “whn.global” logo with a pink dot appears at the top left. At the top right, white text reads: “World Health Network” and “Science for a safer, healthier world.” A short orange horizontal line appears beneath the header. A large bold quotation reads: “Each of these conditions is hard on its own; together they make Ebola far harder to detect and control than in a stable community setting.” The words “far harder to detect and control” are highlighted in orange. At the bottom, white and orange text reads: “Read the full WHN newsletter at whn.global/newsletter/ebola-and-conflict.”
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World Health Network @thewhn.bsky.social · 10/08/2026
Clean indoor air does more than make a space feel better. It can support clearer thinking and easier breathing, reduce airborne allergens, and help lower the risk of spreading respiratory viruses. The air we share is part of public health. (...)
World Health Network graphic with a pale blue sky and clouds. At the top left is the text “whn.global.” At the top right: “World Health Network” and “Science for a safer, healthier world.” Large text in the center reads: “Five benefits of clean indoor air →”World Health Network graphic on a solid blue background. At the top left is the text “whn.global.” At the top right: “World Health Network” and “Science for a safer, healthier world.” Large white text lists five benefits of clean indoor air: “1. Increase brain power so you can think more clearly. 2. Breathe easier. 3. Help prevent the spread of viruses. 4. Clear allergens from the environment. 5. Get better quality sleep.”
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World Health Network @thewhn.bsky.social · 07/08/2026
Your local health department can play an important role in keeping your community informed and protected. WHN’s Health Department Outreach Campaign makes it easier to speak up with practical steps, email templates and resources you can use to contact local health officials and advocate for (...)
White graphic branded whn.global. Large black text reads:

“Across the US & the world, people are looking for science-based health guidance — yet public trust has been eroded by messaging that is inconsistent with science, and agencies have failed to communicate the airborne nature of COVID-19 transmission and the risk of Long COVID.

Our local health departments should be aware of clear, evidence-based recommendations to prevent the spread of public health threats like COVID-19 and misinformation.

Help by following these steps.”

At the bottom is a green button reading: “Health Department Outreach Campaign.”White graphic branded whn.global showing five numbered, color-coded steps for a health department outreach campaign:

1 — PREPARATION:
“Know your jurisdiction and evidence.”

2 — IDENTIFY WHO TO CONTACT:
“Find the email for a relevant official.”

3 — SEND THE EMAIL:
“Use our script and clear action items.”

4 — FOLLOW UP:
“Send our short follow-up email.”

5 — USE OTHER CHANNELS:
“Look for additional ways to speak up.”

At the bottom is a green button reading: “Health Department Outreach Campaign.”White graphic branded whn.global. Large black text reads:

“Remember that even small steps and contributions matter, and it’s okay not to know exactly what to say at first.

Remember to include your friends and communities. Many hands make light work, and change is built through an individual commitment to collective action. Take the time today to reach out to a local health department and make your voice heard!”

Green text below reads: “whn.global/health-department-outreach-campaign”

At the bottom is a green button reading: “Health Department Outreach Campaign.”
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World Health Network @thewhn.bsky.social · 06/08/2026
COVID levels may be lower right now, but this is exactly when prevention can make the biggest difference. Wastewater data shows that COVID often follows a pattern of major seasonal waves. By layering protections early, wearing N95s, improving indoor air, (...)
White World Health Network campaign graphic with bold black and yellow text. Top left: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Main headline: “A summer COVID wave isn’t inevitable.” Supporting text: “Early precautions can prevent or reduce the impact of a summer surge.” A yellow banner reads: “Don’t make waves campaign.” A yellow circle with a simple wave icon appears at the bottom right.White World Health Network campaign graphic with bold black and yellow text. Top left: “whn.global.” Top right: “World Health Network — Science for a safer, healthier world.” Main text: “Prevention strategies that work, especially when you apply them together:” Six yellow boxes list: “Wearing N95s,” “Opening windows,” “Running HEPA filters,” “Testing regularly,” “Getting vaccinated,” and “Staying home when sick.” A yellow circle with a simple wave icon appears at the bottom right.
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World Health Network @thewhn.bsky.social · 05/08/2026
August 2026 Edition Available Now! WHN’s Kids’ Zone Magazine is a free, downloadable issue packed with kid-friendly stories, art, science, and COVID-conscious lifestyle ideas made for families who are still choosing care. (...)
Promotional graphic for the World Health Network’s Kids’ Zone Magazine. At the top are the “whn.global” logo and six colored dots. Large text reads: “Kids’ Zone Magazine.” Below it: “August 2026 Edition.” Additional text reads: “A free, downloadable resource created to help kids feel connected, empowered, and proud of living COVID-conscious.” A download icon appears beside the text: “Download free at whn.global/kidszone.”

The lower half shows a tilted image of the magazine cover with a green border and pale yellow background. It reads: “August 2026,” “Issue 25,” “World Health Network,” “Kids’ Zone,” and “COVID-Conscious Magazine.” The illustration shows two masked adults walking outdoors with a masked child between them, holding their hands. A banner reads: “Teamwork and Togetherness Edition.” Additional cover text includes: “Teamwork Tips,” “Public Health Detectives,” and “Check us out online at: WHN.global/KidsZone.”
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World Health Network @thewhn.bsky.social · 04/08/2026
A password alone is not enough to protect our digital accounts. So why rely on just one tool to protect our health? Vaccines are an important layer of protection, but they work best alongside high-quality masks, testing, staying home when sick, cleaner indoor air and reduced overcrowding. (...)
Vertical World Health Network graphic on a white background. The “whn.global” logo appears at top left, and at top right: “World Health Network — Science for a safer, healthier world.” Large bold text, with selected words in a pink-to-yellow gradient, reads: “We protect our digital accounts with multiple security steps. Protecting our health should work the same way.” A dark button at the bottom reads: “LAYER YOUR PROTECTION.”Vertical World Health Network graphic on a white background. The “whn.global” logo appears at top left, and at top right: “World Health Network — Science for a safer, healthier world.” Large bold text reads: “Digital security uses multiple layers.” Below it is a bulleted list: “Password; Verification code; Authentication app.” A second heading reads: “Health protection works the same way.” Below it is a bulleted list: “High-quality respirators; Testing; Vaccinations; Cleaner indoor air; Staying home when sick.”
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World Health Network @thewhn.bsky.social · 03/08/2026
Help trace cyclosporiasis back to its source. We're looking for researchers, analysts, scientists and curious problem-solvers to help review available information, identify patterns and explore possible explanations behind this year's outbreaks. (...)
A promotional volunteer recruitment poster from whn.global with the tagline “SCIENCE FOR A SAFER, HEALTHIER WORLD.” The background is dark charcoal with white, yellow, orange, and green accents.

Large headline:
“Help trace Cyclosporiasis back to its source.”
The word “Cyclosporiasis” is displayed in a yellow-to-orange-to-green gradient.

Body text:
“We’re looking for researchers, analysts, scientists and critical thinkers to help review available information, examine assumptions and explore possible sources.”

Section heading:
“How you’ll make an impact:”

Four outlined callout boxes list:

Help identify patterns
Discuss possible explanations
Contribute to a clearer understanding of what’s driving the outbreak
Help identify information gaps

Near the bottom:
“If interested, contact science@whn.global”

A gold button reads:
“VOLUNTEER OPPORTUNITY”

In the lower-right corner is a stylized illustration of a magnifying glass examining abstract microorganism-like shapes, reinforcing the investigation theme. The WHN logo appears at the top alongside a multicolored upward arrow icon.
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World Health Network @thewhn.bsky.social · 31/07/2026
Conversations between communities and public health leaders matter. That's why the World Health Network launched the Health Department Outreach Campaign, a community-led effort to help people connect with their local health departments and advocate for programs and messaging with stronger, (...)
WHN campaign graphic on a white background. At the top left is the black “whn.global” logo; centered is the slogan “SCIENCE FOR A SAFER, HEALTHIER WORLD,” followed by six colored dots in pink, orange, light green, dark green, blue, and gray-blue. Large pink headline: “Your health department needs to hear from you.” Below, black text reads: “Contact your city, county or state health department and ask them to strengthen infection prevention efforts prevention messaging and programs.” Further down: “Take action. Report your participation. Put your community on the map. See caption for more information.” The final sentence is highlighted in pink. At the bottom is a pink rectangular label reading “HEALTH DEPARTMENT OUTREACH CAMPAIGN,” alongside a pink circular icon showing a hospital building.
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World Health Network @thewhn.bsky.social · 29/07/2026
Reducing your risk of serious illness is not only about diet, exercise and routine screenings. Preventing COVID infections can also be an important part of protecting your long-term health. COVID can affect multiple systems throughout the body and has been associated with (...)
World Health Network campaign graphic with white and pink text on a dark background. Text: “whn.global. World Health Network. Science for a safer, healthier world. COVID can affect more than your lungs. One infection can impact nearly every system in the body. Reduce Your Risk Campaign.”World Health Network campaign graphic with white and pink text on a dark background. Text: “whn.global. World Health Network. Science for a safer, healthier world. Long COVID has been linked to more than 200 symptoms, including: Brain fog and memory problems; chest pain and heart palpitations; shortness of breath; fatigue and post-exertional malaise; headaches, dizziness and sleep issues; digestive, immune and reproductive symptoms. Protecting yourself from COVID and Long COVID protects your entire body. Reduce Your Risk Campaign.”World Health Network campaign graphic with white and pink text on a dark background. Text: “whn.global. World Health Network. Science for a safer, healthier world. Research has linked COVID infection with an increased risk of serious health problems, including: Heart attacks, strokes and cardiovascular disease; new-onset diabetes and metabolic conditions; cognitive decline and neurological problems; immune system dysregulation; reactivation of other viruses; chronic fatigue and Long COVID. These risks can affect adults and children, and may increase with repeated infections. Reduce Your Risk Campaign.”World Health Network campaign graphic with white and pink text on a dark background. Text: “whn.global. World Health Network. Science for a safer, healthier world. COVID prevention is part of preventive healthcare. Wear a well-fitted N95 or other high-quality respirator. Improve indoor air with ventilation and HEPA filtration. Stay up to date on vaccinations and boosters. Test before and after gatherings or possible exposure. Stay home when sick or testing positive. Encourage safer, more accessible public spaces. COVID is not ‘just a cold.’ Every infection prevented matters. Reduce Your Risk Campaign.”
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World Health Network @thewhn.bsky.social · 28/07/2026
COVID levels may be lower right now, but this is exactly when prevention can make the biggest difference. Wastewater data shows that COVID often follows a pattern of major seasonal waves. By layering protections early, wearing N95s, improving indoor air, (...)
White graphic with black and yellow text reading: “Why take precautions now, while COVID rates are lower? It’s easier to lessen the impact of a COVID wave before it happens or as it’s just beginning, rather than trying to reduce transmission once a wave has already begun spreading widely.” A yellow label at the bottom reads: “Don’t make waves campaign.” The World Health Network logo and tagline appear at the top, and a yellow wave icon appears at the bottom right.White graphic with black and yellow text reading: “That’s why WHN launched Don’t Make Waves: a campaign for collective action to keep COVID transmission low. Join the Don’t Make Waves campaign by sharing this message and helping make COVID precautions more visible and accessible.” A yellow label at the bottom reads: “Don’t make waves campaign.” The website “whn.global” appears at the top left, and a yellow wave icon appears at the bottom right.
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World Health Network @thewhn.bsky.social · 28/07/2026
Disability Pride Month is a time to celebrate Disabled people, honor the disability rights movement, and recommit to building communities where everyone can participate safely and fully. We’ve created a comprehensive guide exploring the history of Disability Pride Month, (...)
Black graphic featuring rays in the colors of the Disability Pride flag—green, blue, white, yellow and red—spreading upward from the center. Text reads: “What is Disability Pride Month?” At the bottom: “whn.global” and “World Health Network — Science for a safer, healthier world.”Black graphic with white and yellow text reading: “Disability Pride Month celebrates Disabled people, honors disability culture and recognizes the continued fight for access, equity and full participation. July also marks the anniversary of the Americans with Disabilities Act, signed into law on July 26, 1990. But accessibility cannot stop with legislation. Disability Pride calls on all of us to help create communities where Disabled people can participate safely, thrive and experience joy.” At the bottom: “whn.global” and “World Health Network — Science for a safer, healthier world.”Black graphic with white and yellow text reading: “What does public health and masking have to do with it? COVID-19 can lead to Long COVID, which is a disabling condition estimated to affect at least 1 in 10 infections. For many Disabled people, another COVID infection can have especially serious consequences. Wearing a well-fitting respirator (N95 or equivalent) helps reduce transmission, protects those around you, and creates safer, more accessible spaces. Some Disabled people cannot mask themselves, making community masking even more important.” At the bottom: “whn.global” and “World Health Network — Science for a safer, healthier world.”Black graphic with white and yellow text reading: “How you can help: Support accessibility by: Wearing a respirator in shared indoor spaces, especially healthcare settings. Improving indoor air quality with ventilation or HEPA filtration. Providing masks and rapid tests at events. Offering outdoor or hybrid participation options when possible. Disability Pride is about celebrating Disabled lives while building communities where everyone can participate safely, with dignity, and without unnecessary barriers. Read the full guide: whn.global/how-to-do-your-part-for-disability-pride-month.” At the bottom: “whn.global” and “World Health Network — Science for a safer, healthier world.”
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World Health Network @thewhn.bsky.social · 23/07/2026
COVID levels may be lower right now, but this is exactly when prevention can make the biggest difference. Wastewater data shows that COVID often follows a pattern of major seasonal waves. By layering protections early—wearing N95s, improving indoor air, testing, (...)
World Health Network campaign graphic on a white background with bold black text and yellow accents. At the top left is the “whn.global” logo. At the top right: “World Health Network — Science for a safer, healthier world.” Large text reads: “Don’t make COVID waves.” Below is a row of four stylized yellow waves. Additional text reads: “COVID levels may be lower right now, but that makes this the best time to act.” A yellow label at the bottom reads: “Don’t make waves campaign.” A yellow circle containing a black wave icon appears at the bottom right.World Health Network campaign graphic on a white background with bold black text and yellow accents. At the top left is the “whn.global” logo. Large text reads: “Wastewater data shows we typically experience two major COVID waves each year.” The words “two major COVID waves” are highlighted in yellow. Below, text reads: “Early precautions can help prevent or slow a summer wave.” Six yellow boxes list recommended precautions: “Wear N95s,” “Open windows,” “Run HEPA filters,” “Test regularly,” “Get vaccinated,” and “Stay home when sick.” A yellow circle containing a black wave icon appears at the bottom right.World Health Network campaign graphic on a white background with bold black text and yellow accents. At the top left is the “whn.global” logo. Large text reads: “That’s why WHN launched Don’t Make Waves: a campaign for collective action to keep COVID transmission low.” The words “Don’t Make Waves” are highlighted in yellow. Below, text reads: “Join the Don’t Make Waves campaign by sharing this message and helping make COVID precautions more visible and accessible.” A yellow label at the bottom reads: “Don’t make waves campaign.” A yellow circle containing a black wave icon appears at the bottom right.
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World Health Network @thewhn.bsky.social · 23/07/2026
The German RKI recommends vaccinations combined with extensive use of FFP2 masks to curb respiratory diseases. The link contains guidelines for nursing homes, based on events in autumn/winter 2025:
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World Health Network @thewhn.bsky.social · 22/07/2026
COVID prevention is collective action. Long COVID can only occur after a COVID infection, so preventing infection and reinfection matters. Cleaner indoor air, access to high-quality respirators, staying home when sick, and reliable testing help protect everyone. #PublicHealth #COVID19 #LongCOVID
WHN public health graphic on a dark charcoal background. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.” Large red and white text reads: “No COVID means no Long COVID.” Below: “N95 or better. Clean air. Test when needed. Stay home when sick.” A red banner at the bottom reads: “Prevent infection and reinfection.”
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World Health Network @thewhn.bsky.social · 20/07/2026
Wildfire smoke can travel hundreds—or even thousands—of miles, affecting communities far beyond the fire line. Before exercising, working, commuting, or spending extended time outdoors, check your local Air Quality Index (AQI). (...)
World Health Network air-quality alert graphic over a dark photograph of orange and red wildfire smoke, silhouetted trees, utility poles, and power lines. At the top left is the white “whn.global” logo; at the top right: “Science for a safer, healthier world.” Large centered text reads: “Air quality alert issued for several areas in the United States and Canada.” Below: “Smoke from current wildfires is affecting air quality across large areas, even hundreds of miles from active fires. Fine particles can enter your lungs and bloodstream, making outdoor air unsafe to breathe.” At the bottom, an orange-outlined button reads: “Here’s what you can do →”World Health Network wildfire-smoke safety graphic on a dark charcoal background. At the top left is the white “whn.global” logo; at the top right: “Science for a safer, healthier world.” Large text reads: “Protect yourself from wildfire smoke,” with “wildfire smoke” highlighted in orange. Three orange-bulleted recommendations state: “Check the AQI before going outside.” “When air quality is unhealthy, limit your time outdoors and wear a well-fitting N95 or equivalent respirator.” “Keep windows and doors closed, and run a HEPA air purifier if available.”
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World Health Network @thewhn.bsky.social · 17/07/2026
Healthcare workers have died, become disabled, and left careers they loved after contracting COVID on the job—often while wearing the exact protection they were told was enough. Occupational health and safety laws are meant to protect workers from airborne hazards. (...)
WHN graphic on a white background. At the top left is the “whn.global” logo. At the top right are six colored dots and an orange banner reading, “Science for a safer, healthier world.” Large black and orange text reads: “Healthcare workers deserve better protection.” Below an orange line, smaller text reads: “COVID spreads through the air, yet many healthcare workers were—and still are—given surgical masks that were never designed to protect against airborne hazards.”WHN graphic on a white background. At the top left is the “whn.global” logo. At the top right are six colored dots and an orange banner reading, “Science for a safer, healthier world.” Large black and orange text reads: “The consequences have been devastating.” Four orange-outlined boxes read: “Healthcare workers infected on the job”; “Careers ended by disabling Long COVID”; “Families and vulnerable patients placed at risk”; and “Workplace illnesses left without proper investigation.” Below, text reads: “Occupational health and safety laws already require employers to identify hazards and provide appropriate protection. It’s time those protections fully extend to healthcare workers.” At the bottom is the URL: “whn.global/hcws-have-died-and-been-disabled-laws-should-have-prevented-this/”
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World Health Network @thewhn.bsky.social · 16/07/2026
We’re looking for science writers to join WHN’s Science Writing & Newsletter Team. Help turn complex public health research into clear, accessible newsletters, articles, and social content that people can understand and use. You’ll collaborate with researchers, editors, writers, (...)
ALT: World Health Network recruitment graphic on a dark charcoal background. At the top left is the white “whn.global” logo with a pink dot. At the top right: “World Health Network — Science for a safer, healthier world.” Centered text reads: “We’re looking for SCIENCE WRITERS,” with “SCIENCE WRITERS” in large gradient lettering transitioning from pink to orange and yellow. Below, a heading reads: “How you’ll make an impact.” Three sections with icons state: “Create newsletters and articles that make science understandable for everyone.” “Work alongside researchers, writers, editors, and public health experts.” “Help turn trusted science into information that empowers individuals and communities.” At the bottom: “If you have experience in science writing or a strong interest to learn, please send an inquiry email to science@whn.global
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