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Parasites Without Borders @pwbglobal.bsky.social · 22h

TWiP 290: What's Biting You at Night? The Hidden Parasites in Backyard Chicken Coops 🐓 TWiP solves the case of the patient who developed an intensely itchy, red papular rash after close contact with chickens and their bedding, where small mites were found. 📺 bit.ly/47XNRE8

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Parasites Without Borders @pwbglobal.bsky.social · 16/10/2026

Taenia saginata occurs wherever cattle husbandry is prevalent and where human feces is not disposed of properly. It is commonly called the “beef tapeworm” because the juvenile stage of the parasite is found only in cattle, the intermediate host. Pg 331 📕 parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 14/10/2026

Infectious Disease Puscast #117 🪱 On episode #117 of the Infectious Disease Puscast, Daniel and Sara review the infectious disease literature for the weeks of 9/22 - 10/5/26. 📺 bit.ly/4i3ICrb

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Parasites Without Borders @pwbglobal.bsky.social · 13/10/2026

Planning for the future of PWB. 🌎 This past week, our President, Daniel Griffin, MD, PhD, and Directors, Charles “Chuck” Knirsch, MD, MPH and Vincent Racaniello, PhD, got together at Hayden Backcountry Lodge in Colorado to strategize and plan for the next 10 years of Parasites Without Borders.

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Parasites Without Borders @pwbglobal.bsky.social · 11/10/2026

Each year, Parasites Without Borders hosts a fundraiser that donates funds for @astmh.bsky.social American Society of Tropical Medicine & Hygiene. Your donations to the campaign helped send Katherine from El Salvador to the ASTMH Annual Conference. Donate at parasiteswithoutborders.com

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Parasites Without Borders @pwbglobal.bsky.social · 10/10/2026

Daniel Griffin and Vincent Racaniello discuss their continuing struggle to understand the ongoing outbreak of cyclospora, decimation of US public health including 30% or greater loss of personnel from the CDC, and more. 📺 bit.ly/4icPrIe

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Parasites Without Borders @pwbglobal.bsky.social · 09/10/2026

Ticks stay active in fall when it’s above freezing, and some may carry Babesia, a single-celled parasite that invades red blood cells. Ixodes scapularis is the vector for Babesia microti in many parts of the U.S., while Ixodes ricinus is the primary vector for Babesia divergens in Europe.

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Parasites Without Borders @pwbglobal.bsky.social · 08/10/2026

The Big Red Book made its way to Armenia 📕 Ani Manukyan, a student furthering her studies via distance learning with the London School of Hygiene & Tropical Medicine, is doing her dissertation on the epidemiological characteristics and national burden of echinococcosis in the Republic of Armenia.

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Parasites Without Borders @pwbglobal.bsky.social · 07/10/2026

What parasite do you find the most fascinating and why? 📸 CDC

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Parasites Without Borders @pwbglobal.bsky.social · 06/10/2026

Parasitic Diseases Lectures #36: Pork Tapeworm 🐷 Dickson and Daniel discuss the pork tapeworm, Taenia solium. 📺 bit.ly/46EOF1c

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Parasites Without Borders @pwbglobal.bsky.social · 05/10/2026

Naegleria fowleri, known as the brain-eating amoeba, is a robust thermophilic free-living amoeba found worldwide in warm freshwater. It thrives in standing freshwater environments like hot springs, heated swimming pools, & hot tubs. Page 179 📕 parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 03/10/2026

Daniel & Vincent continue their ongoing exasperation over 5 deaths in Pennsylvania associated with measles infections, the absurdity of RFK Jr.’s statement that AI is better informed than physicians, the outbreak of cholera, more deaths by raw milk products, & more. 📺 bit.ly/4jAM4vI

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Parasites Without Borders @pwbglobal.bsky.social · 02/10/2026

TWiP 289: Dogs, Parasites, and an Exhausted Immune System 🐾 TWiP explains a single-cell analysis of immune cells in the blood of dogs with canine leishmaniosis, providing a detailed picture of how the immune response changes as the disease progresses. 📺 bit.ly/4hZdE4D

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Parasites Without Borders @pwbglobal.bsky.social · 01/10/2026

In 1991, Ynes R. Ortega characterized this organism as a new coccidian species and named this organism Cyclospora cayetanensis after her alma mater, the Peruvian University Cayetano Heredia in Lima, Peru. Page 177-178 📕 parasiteswithoutborders.com/books 📸 Oocyst of C. cayetanensis. 10 μm.

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Parasites Without Borders @pwbglobal.bsky.social · 30/09/2026

Infectious Disease Puscast #116 🪱 On episode #116 of the Infectious Disease Puscast, Daniel and Sara review the infectious disease literature for the weeks of 9/16 - 9/21/26. 📺 bit.ly/4yu8cg0

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Parasites Without Borders @pwbglobal.bsky.social · 29/09/2026

Timor-Leste successfully eliminates trachoma as a public health problem 🇹🇱 WHO has certified Timor-Leste as eliminating trachoma. This Neglected Tropical Disease (NTD) spreads through contact with eye and nasal discharge from infected individuals, and can eventually result in blindness.

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Parasites Without Borders @pwbglobal.bsky.social · 28/09/2026

Each year, Parasites Without Borders hosts a fundraiser that donates funds for @astmh.bsky.social. Your donations to the campaign helped send Adriana from Brazil, South America, to the ASTMH Annual Conference. Help us reach our goal of $20,000 by donating at parasiteswithoutborders.com

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Parasites Without Borders @pwbglobal.bsky.social · 26/09/2026

TWiV 1360: Clinical Update with Dr. Daniel Griffin 🩺 Daniel and Vincent’s frustration continues over the increasing number of measles infections, Kennedy’s undermining of vaccines, perpetuation of autism-vaccine, autism-Tylenol myths, & an outbreak of hepatitis A virus in the US. 📺 bit.ly/4dTtNWL

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Parasites Without Borders @pwbglobal.bsky.social · 25/09/2026

Parasitic Diseases Lectures #35: Beef Tapeworm 🪱 Dickson and Daniel discuss the beef tapeworm, Taenia saginata. 📺 bit.ly/4xGtyWt

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Parasites Without Borders @pwbglobal.bsky.social · 24/09/2026

The Big Red Book made its way to Papua New Guinea 📕 Meet Loyde Murom, a lab tech and undergraduate MBBS Year 5 student at the University of Papua New Guinea, School of Medicine and Health Sciences.

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Parasites Without Borders @pwbglobal.bsky.social · 23/09/2026

Enterobius vermicularis, commonly known as pinworm, is the most prevalent nematode infection of humans, its only host. 📸 Adult female Enterobius vermicularis. 10mm. Page 200 📕 Parasitic Diseases, Eighth Edition Download a copy for free! parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 22/09/2026

TWiP 288: Taco Bell and the Case of the Runny Jobbies 🥬 TWiP solves the case of the NYC woman in her 30s who developed 3 weeks of significant watery diarrhea after eating at a Taco Bell Restaurant. 📺 bit.ly/4yT4tbK

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Parasites Without Borders @pwbglobal.bsky.social · 20/09/2026

Did you know? The Guinea worm is thought by many to be the serpent depicted on the Rod of Asclepius, which has come down through the ages as a symbol of individuals involved in the healing arts. Pg 300 📕 Parasitic Diseases, Eighth Edition Download a copy for free! parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 19/09/2026

Daniel Griffin and Vincent Racaniello are angered by the continuous reporting of measles deaths in the US and around the world, the Ebola outbreak in Uganda, changes in reporting of virus infection and vaccine recommendations, and more. 📺 bit.ly/4iydRwv

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Parasites Without Borders @pwbglobal.bsky.social · 18/09/2026

Life Cycle of Clonorchis sinensis Pages 422 + 423 📕 Parasitic Diseases, Eighth Edition Download a copy for free! parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 16/09/2026

Infectious Disease Puscast #115 🪱 On episode #115 of the Infectious Disease Puscast, Daniel and Sara review the infectious disease literature for the weeks of 9/1 - 9/14/26. 📺 bit.ly/4cPmYVU

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Parasites Without Borders @pwbglobal.bsky.social · 15/09/2026

Are you keeping up with our Weekly Clinical Updates? 🦠 As infectious diseases such as SARS, Mpox, Polio, HIV, and Ebola travel the globe and garner media attention, Parasites Without Borders staff are curating resources in a timely, ongoing basis. 🔗 parasiteswithoutborders.com/clinical-updates

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Parasites Without Borders @pwbglobal.bsky.social · 13/09/2026

Each year, PWB hosts a fundraiser that donates funds to @astmh.bsky.social American Society of Tropical Medicine & Hygiene. Your donations to the campaign helped send Sreynik, from Cambodia, Asia, to the ASTMH Annual Conference. Help us reach our goal by donating at parasiteswithoutborders.com

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Parasites Without Borders @pwbglobal.bsky.social · 12/09/2026

Daniel Griffin and Vincent Racaniello delve into dengue virus infections in Florida, proposed changes in biomedical funding including “converting” the Department of War into NIAID, and the continuing controversy over the deaths of 2 children in Pennsylvania from measles. 📺 bit.ly/4yDIYf0

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Parasites Without Borders @pwbglobal.bsky.social · 10/09/2026

Echinococcus multilocularis infects wild Caenidae, such as fox, and can infect domestic dogs. The intermediate hosts are rodents (e.g. voles, ground squirrels). The biology of the human infection resembles the situation found in the intermediate hosts. Pg 380 📕 parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 09/09/2026

The Big Red Book made its way to The Netherlands 📕 Anabel Acheampong, MPhil, BSc, is a PhD student from Ghana and currently studying at Amsterdam UMC. “I will take this book back with me to Ghana where it will be accessible to everyone.”

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Parasites Without Borders @pwbglobal.bsky.social · 08/09/2026

TWiP 287: A Vaccine Against Schistosomiasis? SchistoShield Heads to Phase 2 〰️ Mumtaz Balkhi joins TWiP to discuss phase 1 and 1b trials of the schistosomiasis vaccine SchistoShield, which demonstrate that it induces functional immune memory responses in US and African populations. 📺 bit.ly/3Vjzy9N

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Parasites Without Borders @pwbglobal.bsky.social · 06/09/2026

Parasitic Diseases Lectures #34: Cestodes 🪱 Dickson and Daniel discuss the biology and classification of cestodes, segmented flat worms. 📺 bit.ly/4ibcPGB

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Parasites Without Borders @pwbglobal.bsky.social · 06/09/2026

TWiV 1354: Clinical update with Dr. Daniel Griffin 🩺 Daniel Griffin & Vincent Racaniello remember Dolly Parton and her patronage of science, especially development of the COVID-19 vaccines, if the shingles vaccine protect against cardiovascular events as well as dementia, and more. 📺 bit.ly/4xeEuu6

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Parasites Without Borders @pwbglobal.bsky.social · 05/09/2026

When an infected piece of raw fish is eaten, the parasites in the muscle tissue are released by the enzymes in the stomach or more rarely, into the small intestine. Page 322 📕 parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 02/09/2026

Infectious Disease Puscast #114 🪱 On episode #114 of the Infectious Disease Puscast, Daniel and Sara review the infectious disease literature for the weeks of 8/18 - 8/31/26. 📺 bit.ly/4x8S2r0

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Parasites Without Borders @pwbglobal.bsky.social · 02/09/2026

The Big Red Book has made its way to the Philippines 📕 Rodmie Oliver Pumaras, PhD, is an Assistant Professor at the College of Medical Technology at University of Perpetual Help System DALTA in Las Piñas, Philippines.

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Parasites Without Borders @pwbglobal.bsky.social · 01/09/2026

Balantidium coli is the only ciliated protozoan that routinely infects humans. Balantidiasis, or neobalantidiasis, occurs worldwide, but the prevalence of human infection is unknown. Page 167 📕 parasiteswithoutborders.com/books 📸 Cyst of Balantidium coli. Note macro-nucleus. 65 μm

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Parasites Without Borders @pwbglobal.bsky.social · 30/08/2026

Each year, Parasites Without Borders hosts a fundraiser that donates funds to the American Society of Tropical Medicine & Hygiene. Help us reach our goal of $20,000 by donating at parasiteswithoutborders.com

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Parasites Without Borders @pwbglobal.bsky.social · 29/08/2026

Daniel & Vincent are disheartened by suggested change in federal vaccine recommendations, how Florida rolled back 4 childhood vaccine school requirements, continued national cyclosporiasis and screwworm outbreaks, & size of Ebola outbreak in the Congo. 📺 bit.ly/4xtY0nm

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Parasites Without Borders @pwbglobal.bsky.social · 28/08/2026

TWiP 286: Pinworms keep coming back! How to stop reinfection in your home 🪱 TWiP solves the case of the adult female with a two-year-old child who develops anal irritation, but the child and the husband are fine. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula. 📺 bit.ly/4gXmFus

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Parasites Without Borders @pwbglobal.bsky.social · 27/08/2026

The Big Red Book made its way to Malaysia 📕 We were excited to send a copy of Parasitic Diseases, Eighth Edition, to Albert Ling, an internal medicine specialist practicing at a district hospital in Malaysia.

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Parasites Without Borders @pwbglobal.bsky.social · 27/08/2026

In the News 📰 FAO Investment Centre, WHO, and WOAH release new brief about One Health approach. Many of the parasites we study move fluidly between animals, people, and the environment. That's exactly why the One Health approach matters. Read the brief here ➡️ bit.ly/4hQQ62l

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Parasites Without Borders @pwbglobal.bsky.social · 23/08/2026

Helminths injure their human host both through mechanical and chemical mechanisms. Large helminths, such as Ascaris lumbricoides, can cause physical obstruction of the intestine or exert damage when they migrate into the biliary tree. Page 7 📕 Parasitic Diseases: parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 22/08/2026

Daniel Griffin and Vincent Racaniello are perplexed by the state of global public health as malaria, cholera, and other infectious diseases are spread by civil warfare, the lack of manpower at the CDC to implement Congressional health programs, & more. 📺 bit.ly/4xVROV0

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Parasites Without Borders @pwbglobal.bsky.social · 20/08/2026

Have you spent time getting to know our Tropical Medicine Curriculum yet? It’s a self-study resource in parasitic and other tropical diseases. Learn more at parasiteswithoutborders.com/all-courses

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Parasites Without Borders @pwbglobal.bsky.social · 18/08/2026

Infectious Disease Puscast #113 🪱 On episode #113 of the Infectious Disease Puscast, Daniel and Sara review the infectious disease literature for the weeks of 8/4 - 8/17/26. 📺 bit.ly/4giLlMB

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Parasites Without Borders @pwbglobal.bsky.social · 18/08/2026

The Big Red Book made its way to Türkiye 📕 Mahmut Sinan Erez, DVM, PhD, is an Assistant Professor in the Department of Parasitology, Faculty of Veterinary Medicine, at Afyon Kocatepe University in Türkiye.

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Parasites Without Borders @pwbglobal.bsky.social · 16/08/2026

Vector-borne organisms rely on the biology of blood-sucking insects, for the most part. Mosquitoes transmit all malarial species, tsetse flies transmit African Sleeping Sickness, and sandflies transmit all species of Leishmania. Pg 2 📕 Parasitic Diseases: parasiteswithoutborders.com/books

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Parasites Without Borders @pwbglobal.bsky.social · 15/08/2026

Daniel & Vincent discuss the call for nominations to join the Advisory Committee for Immunization Practices, West Nile virus transmission in South Carolina, a newly identified midge-transmitted virus sickening cattle, and development of a cold-chain free DPT vaccine. 📺 bit.ly/4g9JuuR

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