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Reva L. Katz, MSci.

@epireva.bsky.social
101 followers 66 following 634 posts

Retired Epidemiologist/Medical Officer Municipality of Anchorage; former CDC, FEMA. Old school, no nonsense.

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Reva L. Katz, MSci. @epireva.bsky.social · 29/09/2026
I worked with Dr. David Persse, Houston's former chief medical officer, when he lead the city's COVID response. I am very sorrowful to report his death at 66. A true loss to public health. My heartfelt sympathy to his family & friends. www.click2houston.com/news/local/2...
click2houston.com
Dr. David Persse, longtime Houston medical leader, dies at 66
Tributes are pouring in for Dr. David Persse, a longtime Houston physician and former chief medical officer who died Monday at age 66.
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Reva L. Katz, MSci. @epireva.bsky.social · 26/09/2026
In the 2025-2026 season, 22 Alaskans, including one child, died with COVID-19 listed as an underlying or contributing cause of death. Please get vaccinated.
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Reva L. Katz, MSci. @epireva.bsky.social · 20/09/2026
May you and your loved ones be sealed in the Book of Life for freedom, justice and health in 5787.
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Reva L. Katz, MSci. @epireva.bsky.social · 16/09/2026
Are you using compounded tirzepatide mixed with B12?Recent medical data & public safety warning by Eli Lilly have revealed that tirzepatide and Vitamin B12 chemically react with each other inside the vial and this reaction forms a widespread, unknown impurity. investor.lilly.com/news-release...
investor.lilly.com
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Reva L. Katz, MSci. @epireva.bsky.social · 15/09/2026
Fourth measles-associated death reported in Pennsylvania. The Mifflin County Coroner says an 18-year-old has died of acute disseminated encephalomyelitis, a rare and severe neurologic complication of measles. www.cidrap.umn.edu/measles/four...
cidrap.umn.edu
Fourth measles-associated death reported in Pennsylvania
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Reva L. Katz, MSci. @epireva.bsky.social · 14/09/2026
The CDC still has not acknowledged any 2026 measles deaths as cases approach 3,300—over 1,000 more than all of last year -- with 3 deaths. www.cidrap.umn.edu/measles/us-m...
cidrap.umn.edu
US measles cases approach 3,300—over 1,000 more than all of last year
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Reva L. Katz, MSci. @epireva.bsky.social · 14/09/2026
40-year old unvaccinated woman becomes Pennsylvania's 3d measles death. www.cidrap.umn.edu/measles/penn...
cidrap.umn.edu
Pennsylvania woman dies of measles complications, the state's third such fatality this year
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Reva L. Katz, MSci. @epireva.bsky.social · 12/09/2026
To friends & colleagues celebrating Rosh Hashana, I wish you a happy and healthy New Year.
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Reva L. Katz, MSci. @epireva.bsky.social · 09/09/2026
The Biomedical Advanced Research and Development Authority’s (BARDA’s) Project BioShield has ordered $37 million of antibiotic ceferidocol as critical countermeasure against difficult-to-treat gram-negative bacterial pathogens that could pose a biosecurity threat. www.cidrap.umn.edu/antimicrobia...
cidrap.umn.edu
BARDA places first order for cefiderocol for resistant infections, biothreats
BARDA’s Project BioShield purchased $37 million worth of the antibiotic to support national preparedness.
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Reva L. Katz, MSci. @epireva.bsky.social · 09/09/2026
New study found freshwater swimming tied to higher risk of skin rashes and stomach trouble. Those who spent 10 minutes in a lake or river were more than twice as likely to suffer skin ailments than those who stood along the shore. Take care. www.sciencedirect.com/science/arti...
sciencedirect.com
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Reva L. Katz, MSci. @epireva.bsky.social · 09/09/2026
Aren't you thrilled? Scientists in China have identified a novel tick-borne virus, named the Asian longhorned tick nairovirus (ALTNV), that causes an influenza-like illness characterized by fever, fatigue, gastrointestinal (GI) symptoms, and abnormal lab findings. www.nejm.org/doi/full/10....
nejm.org
A Zoonotic Orthonairovirus from Febrile Patients in China | NEJM
A new pathogenic orthonairovirus was identified in patients with a febrile illness in China. This virus was found in Haemaphysalis longicornis ticks in the same region.
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Reva L. Katz, MSci. @epireva.bsky.social · 09/09/2026
Florida Department of Health reports increasing cases of locally acquired dengue which causes high fever, severe body aches, & headache. As of August 29, FL has 73 local cases of the mosquito-borne illness, 65 in Hillsborough, Pasco, & Pinellas counties. FL also reports 136 travel cases this year.
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Reva L. Katz, MSci. @epireva.bsky.social · 09/09/2026
New study suggests children exposed to classroom dust with higher levels of 2 common bacterial pathogens, Streptomyces and Mycobacterium species, have slightly impaired lung function. The bacteria are commonly found in soil, dust, and water systems. www.cidrap.umn.edu/misc-emergin...
cidrap.umn.edu
Bacteria in classroom dust may contribute to slightly lower lung function in kids
Higher levels of Streptomyces and Mycobacterium species in dust were tied to poorer performance on lung tests.
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Reva L. Katz, MSci. @epireva.bsky.social · 08/09/2026
8% of measles cases this year have been hospitalized. For influenza, COVID, and RSV, the rate is only 1-2% each year.
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Reva L. Katz, MSci. @epireva.bsky.social · 08/09/2026
The exact same thing happens in USA with every wildfire. Took the lives of many 9-11 recovery workers, firefighters, and people living downwind. www.nytimes.com/interactive/...
nytimes.com
The Microplastics Epidemic in Indonesia
Tiny fragments of plastic are in the air, land and water in the country, where the burning of trash is common.
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Reva L. Katz, MSci. @epireva.bsky.social · 07/09/2026
Never buy "ground beef" in the US. It can & does contain every part of the animal plus scraps from other countries! Only and always buy "ground chuck" or "ground sirloin" from a trusted butcher, or grind your own. www.nytimes.com/2026/09/07/o...
nytimes.com
Opinion | Why Did Trump Order Up 660 Million Pounds of Mystery Meat?
On second thought, I’m not that hungry.
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Reva L. Katz, MSci. @epireva.bsky.social · 04/09/2026
The Pentagon and the NIH signed an agreement to collaborate on biodefense and pandemic preparedness, allowing the Defense Department to go around Congress and gain access to $billions meant for infectious disease research. www.nytimes.com/2026/09/04/u...
nytimes.com
Pentagon Agreement With N.I.H. on Biodefense Draws Alarm From Democrats
Under a new partnership, the Defense Department would play a larger role in biodefense and pandemic preparedness. Democrats warned it could allow a Pentagon cash grab.
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Reva L. Katz, MSci. @epireva.bsky.social · 03/09/2026
"When the federal vaccine process falters, good science cannot stop." So, researchers from the Vaccine Integrity Project systematically reviewed the newest scientific evidence on flu, COVID-19, and RSV immunizations, examining effectiveness & safety. 1/3 www.cidrap.umn.edu/covid-19/com...
cidrap.umn.edu
COMMENTARY: When the federal vaccine process falters, good science cannot stop
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Reva L. Katz, MSci. @epireva.bsky.social · 03/09/2026
Macarthur Fellowship ("genius grant") winner Dr. Gregg Gonsalves writes on new mRNA-based vaccine for melanoma, noting that company's history of putting profits ahead of people & how whole field is endangered by HHS Secretary Kennedy's hostility to mRNA technology. www.thenation.com/article/soci...
thenation.com
Will Moderna’s Cancer Vaccine Be Good for People, or Profits?
The drug giant restricted access to its Covid vaccine to protect its bottom line. Will history repeat itself now?
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Reva L. Katz, MSci. @epireva.bsky.social · 03/09/2026
Coordinating Committee member Elizabeth Jacobs quoted on new NIH plan to hide peer review grant scores from applicants, & NIH program officers, calling it “a setup for obscuring the impact of the political review of grants, which is fixing to be massive.” www.science.org/content/arti...
science.org
NIH plan to keep peer-review scores for grants secret draws concern
Under “binning” proposal, applications’ numerical ratings would no longer be used for final funding decisions
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Reva L. Katz, MSci. @epireva.bsky.social · 31/08/2026
The FDA approved updated COVID-19 vaccines from Moderna, Novavax-Sanofi & Pfizer-BioNTech. All three vaccines are designed to prevent severe disease caused by the JN.1 lineage XFG subvariant. Each vaccine approval is slightly different. 1/4
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Reva L. Katz, MSci. @epireva.bsky.social · 31/08/2026
More than two-thirds of new drugs approved by FDA in 2024 were based on a single study. The number of single-study approvals has increased considerably since 2016, when the 21st Century Cures Act was signed into law. www.cidrap.umn.edu/public-healt...
cidrap.umn.edu
More than two-thirds of new drugs approved by FDA in 2024 were based on a single study
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Reva L. Katz, MSci. @epireva.bsky.social · 17/08/2026
Researchers at Tel Aviv University in Israel developed low-cost, sequencing-free blood test that detects lung cancer by identifying chemical "fingerprints" on DNA fragments in bloodstream. Test costs $60, takes 2-3 days, shows 90%+ accuracy. scitechdaily.com/new-60-blood...
scitechdaily.com
New $60 Blood Test Detects Lung Cancer Without Costly DNA Sequencing
A simple blood test that detects chemical changes in DNA identified more than 90% of stage 2-4 lung cancers in an early study, without relying on costly DNA sequencing.
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Reva L. Katz, MSci. @epireva.bsky.social · 17/08/2026
For almost 2 weeks, Taco Bell did not provide requested supply records to allow outbreak tracing. Rule Trump postponed would have required 24-hour response. How Cyclospora Evaded the U.S. Food Safety System to Sicken Thousands. www.nytimes.com/2026/08/15/h...
nytimes.com
How Cyclospora Evaded the U.S. Food Safety System to Sicken Thousands
The Trump administration delayed a rule last year that could have sped up the effort to pinpoint the source of the contamination. Critics charge that food safety oversight has eroded overall.
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Reva L. Katz, MSci. @epireva.bsky.social · 13/08/2026
Will the mRNA flu shot work better than a regular seasonal one? What the science says www.nature.com/articles/d41...
nature.com
Will the mRNA flu shot work better than a regular seasonal one? What the science says
Moderna’s newly approved vaccine could allow manufacturers to respond more rapidly to changing influenza strains.
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Reposted by Reva L. Katz, MSci.
The BMJ @bmj.com · 13/08/2026
Donald Trump signed an executive order this week that will require the MMR vaccine to be delivered in separate doses. US policies are making a resurgence of vaccine-preventable diseases inevitable www.bmj.com/content/394/...
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Reposted by Reva L. Katz, MSci.
The Atlantic @theatlantic.com · 13/08/2026
“Nearly half a century onward, Jonestown strikes many people as a bizarre aberration”—but “at a time when more and more people look to politics for salvation, we should heed its warnings,” James Kirchick writes:
bit.ly
The Fatal Combination of Ideology and Charisma
An infamous 1978 massacre offers a warning for America today.
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Reposted by Reva L. Katz, MSci.
Dorit Reiss @doritreiss.bsky.social · 10/08/2026
There's a New mRNA Flu Shot Coming This Fall, by @angierasmussen.bsky.social: explaining the platform, going over the clinical trials, and addressing what we know and do not know. rasmussenretorts.substack.com/p/theres-a-n...
rasmussenretorts.substack.com
There's a New mRNA Flu Shot Coming This Fall
It's all mostly good news for once
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Reposted by Reva L. Katz, MSci.
matthew @pahuski.com · 10/08/2026
The ads alone are worth the price of The Onion’s print edition
Ad in The Onion: a stock photo of a man holding his neck in pain, with the United Healthcare logo and the text: “Walk it off.”
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Reva L. Katz, MSci. @epireva.bsky.social · 10/08/2026
Last week Louisiana confirmed 9 cases of Vibrio vulnificus for 2026. All were hospitalized, 5 died, It's found in coastal waters and all 5 were infected through sea water getting into open wounds. People with liver disease, diabetes, weak immune systems have highest risk. ldh.la.gov/page/vulnifi...
ldh.la.gov
Vibrio vulnificus: 2026 Data and Guidance | Louisiana Department of Health
The Louisiana Department of Health protects and promotes health and ensures access to medical, preventive and rehabilitative services for all citizens of the State of Louisiana.
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Reva L. Katz, MSci. @epireva.bsky.social · 07/08/2026
Outbreak of salmonella from jalapeños served in Mexican restaurants incl Chipotle & QDOBA expanded to 27 states: AL, AR, CA, CO, GA, IL, IN, KS, KY, LA, MI, MN, MO, MT, NC, ND, NE, OH, OK, SC, TN, TX, UT, VA, WA, WI, WY. CDC reports 345 cases, 36 hospitalizations. www.fda.gov/food/outbrea...
fda.gov
Outbreak Investigation of Salmonella: Jalapeño (August 2026)
Do not eat, serve, or sell recalled fresh jalapeños from Sinaloa, Mexico distributed by Coast Citrus Distributors. FDA’s investigation is ongoing.
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Reva L. Katz, MSci. @epireva.bsky.social · 06/08/2026
Asking as an epidemiologist -- before they're restarted under a new name, can someone show me the significant decrease in the supply of illegal drugs to the USA due to these ex judicial killings? www.militarytimes.com/news/pentago...
militarytimes.com
SOUTHCOM replaces Southern Spear with Western Hemisphere task force targeting criminal networks
U.S. Southern Command replaced Operation Souther Spear with a new task force targeting narcoterrorism networks.
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Reva L. Katz, MSci. @epireva.bsky.social · 06/08/2026
Jalapeños served at Chipotle restaurants in Minnesota have been linked to at least 110 infections of Salmonella Javiana, according to both the Minnesota Department of Health. It's likely other Mexican restaurants served them, too. newsroom.chipotle.com/2026-08-04-A...
newsroom.chipotle.com
A Statement from Chipotle on Food Safety
The health and safety of our guests and employees is our highest priority. We have a robust ingredient traceability system and, upon learning of a potential Salmonella outbreak in the supply chain imp...
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Reva L. Katz, MSci. @epireva.bsky.social · 06/08/2026
Cyclosporiasis cases with exposure to recalled iceberg lettuce from Taylor Farms de Mexico have been reported from 15 states: AR, IA, IL, IN, KS, KY, MI, MO, NE, NH, NC, OH, OK, PA, and WV. Currently 6,358 cases reported to CDC, a significant undercount. www.fda.gov/food/outbrea...
fda.gov
Investigation of 15-State Outbreak of Cyclospora Illnesses
Do not eat recalled iceberg lettuce from Taylor Farms de Mexico. FDA’s investigation is ongoing.
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Reva L. Katz, MSci. @epireva.bsky.social · 06/08/2026
A national retrospective cohort study of more than 2.5 million children found NO association between receiving the measles, mumps, and rubella (MMR) vaccine before age 2 years and having an autism diagnosis. www.ovid.com/jnls/pidj/fu...
ovid.com
Association Between First MMR Vaccination Before... : Pediatric Infectious Disease Journal
Background:Concerns about potential associations between measles–mumps–rubella (MMR) vaccination and autism persist despite extensive prior research....
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Reva L. Katz, MSci. @epireva.bsky.social · 06/08/2026
Senate confirms Erica Schwartz as CDC director Schwartz will lead an agency that has been operating without a confirmed director for nearly a year. Though she has 24 years in USPHS, she us a vaccine skeptic & RFKJr team player. www.cidrap.umn.edu/public-healt...
cidrap.umn.edu
Senate confirms Erica Schwartz as CDC director
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Reva L. Katz, MSci. @epireva.bsky.social · 31/07/2026
UK Health Security Agency (UKHSA) announced uptick in people being diagnosed with cyclosporiasis. 67 people who reported traveling were diagnosed as having cyclosporiasis, 48 had been in Riviera Maya & Cancun Mexico. Typically, UK records 93 cyclosporiasis cases a year. www.gov.uk/government/n...
gov.uk
Sharp rise in cyclospora infections linked to Mexico travel
Travellers urged to follow food and water hygiene advice to reduce risk of infection
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Reva L. Katz, MSci. @epireva.bsky.social · 31/07/2026
Publix announced recall of GreenWise Organic Frozen Whole Blueberries & Whole Mixed Berries, in Escherichia coli O145:H28 outbreak in Georgia and Florida. www.fda.gov/food/outbrea...
fda.gov
Outbreak Investigation of E. coli: Frozen Blueberries (July 2026)
Do not eat, sell or serve recalled GreenWise Organic Frozen Whole Blueberries and Whole Mixed Berries. FDA’s investigation is ongoing.
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Reva L. Katz, MSci. @epireva.bsky.social · 30/07/2026
“Fauci is practicing epidemiology. His critics are practicing idiocy. Both are very good at their chosen work.” -- Michael Gerson, April 2021
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Reva L. Katz, MSci. @epireva.bsky.social · 29/07/2026
Save your money. Large UK study investigating whether HEPA air filters can reduce spread of respiratory viruses showed they did not reduce the number of infections. Several previous studies from Australia, Germany, and Switzerland have reached similar conclusions. jamanetwork.com/journals/jam...
jamanetwork.com
High-Efficiency Particulate Air Filters to Prevent Winter Respiratory Infections in Care Homes
This randomized clinical trial investigates whether high-efficiency particulate air filters in communal rooms and private bedrooms reduce respiratory infection episodes in care home residents.
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Reva L. Katz, MSci. @epireva.bsky.social · 28/07/2026
Many Black US patients with long COVID being missed. New study suggests diagnostic disparity exists between Black and White patients, despite having similar long-COVID symptom profiles. www.healthaffairs.org/doi/10.1377/...
healthaffairs.org
Black Patients Underdiagnosed With Long COVID In The US Compared With White Patients | Health Affairs Journal
Long COVID has debilitating effects but is inconsistently diagnosed because of subjective criteria, limited treatments, and variations in health care access. We analyzed electronic health records from...
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Reva L. Katz, MSci. @epireva.bsky.social · 28/07/2026
Important read - what the Cyclospora outbreak is AND what it isn't!! Because while cyclosporiasis has now been reported in 41 states, the outbreak is only in nine. The message has been jumbled. www.cidrap.umn.edu/cyclospora/c...
cidrap.umn.edu
CIDRAP Op-Ed: The Cyclospora outbreak was, and still is, a communications failure
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Reva L. Katz, MSci. @epireva.bsky.social · 28/07/2026
Measles virus RNA was detected in Anchorage wastewater samples collected on July 7, 8, 9, and 14, 2026. No confirmed human measles cases have been recently identified in Alaska. Measles case counts nationwide are exceeding levels not seen in more than 35 years.
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Reva L. Katz, MSci. @epireva.bsky.social · 24/07/2026
Midwest Poultry Services has voluntarily recalled nearly 1.6 million dozen white shell eggs and brown cage free shell eggs sold at Kroger and Brookshire grocery in TX, OK, AR, LA, NM, & MS due to potential for salmonella contamination. www.fda.gov/safety/recal...
fda.gov
Midwest Poultry Services. L.P. Recalls Shell Eggs Due to Possible Salmonella Enteritidis Contamination
Midwest Poultry Services, L.P. is voluntarily recalling 1,589,577 dozen white shell eggs and brown cage free shell eggs produced in Texas because they have the potential to be contaminated with Salmon...
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Reva L. Katz, MSci. @epireva.bsky.social · 23/07/2026
Yesterday, FDA announced it was looking into new Cyclospora outbreak unrelated to previously reported ongoing outbreaks. FDA has started traceback investigation for this latest outbreak, which has sickened 72 people, but the source remains unknown. www.fda.gov/food/outbrea...
fda.gov
Investigations of Foodborne Illness Outbreaks
The following is a list of outbreak and adverse event investigations primarily being managed by FDA’s CORE Response Teams.
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Reva L. Katz, MSci. @epireva.bsky.social · 13/07/2026
Since July 1, 2025, CDC does not track Cyclospora & made reporting cases optional. Your state may not offer testing or tracking. Until we know more, take care with lettuce, herbs, green onions, raspberries, & snow peas, all associated with past outbreaks. apnews.com/article/cycl...
apnews.com
Outbreak of diarrhea-causing parasite grows to more than 1,000 cases
Michigan is experiencing its largest outbreak of a parasitic infection that causes severe diarrhea. Nearly 1,000 people have been diagnosed with cyclospora as of Wednesday, though no deaths have been ...
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Reva L. Katz, MSci. @epireva.bsky.social · 12/07/2026
Normal safe food handling practices are not enough to prevent Cyclospora. It's a parasite that strongly adheres to food, so rinsing produce isn't enough. You need to scrub. Heat is most effective defense; cooking foods to 158°F (70°C) or higher kills the parasite. www.ama-assn.org/public-healt...
ama-assn.org
Cyclospora
Stay informed with news and resources on Cyclospora, including signs and symptoms, prevention strategies and more.
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Reva L. Katz, MSci. @epireva.bsky.social · 16/06/2026
Are you on Medicare and looking for affordable ($50 a month) way to get a GLP-1 without joining some weight loss service? This federal program begins July 1 and it is definitely worth reading about now, speaking with your doctor, then applying July 1st. www.cms.gov/medicare/cov...
cms.gov
Medicare GLP-1 Bridge | CMS
Centers for Medicare & Medicaid Services (CMS) announced the Better Approaches to Lifestyle and Nutrition for Comprehensive hEalth (BALANCE) Model and a separate short-term demonstration (now called t...
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Reva L. Katz, MSci. @epireva.bsky.social · 14/06/2026
Use Claude. Support Anthropic. Trump Administration Reignites Its Feud With Anthropic Over Latest A.I. Models www.nytimes.com/2026/06/13/u...
nytimes.com
Trump Administration Reignites Its Feud With Anthropic Over Latest A.I. Models
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Reva L. Katz, MSci. @epireva.bsky.social · 12/06/2026
Very good intro to Texas NWS cases (3-week-old calf in Zavala County, another calf in La Salle County, & a dog in Andrews County which had been to Mexico), how we got here, & possible implications. beef.unl.edu/new-world-sc...
beef.unl.edu
New World Screwworm Returns to North America: Implications for Nebraska Livestock Producers | UNL Beef | Nebraska
The New World Screwworm (NWS), Cochliomyia hominivorax, is among the most destructive livestock pests ever encountered in the Western Hemisphere. Unlike most fly species whose larvae develop in decayi...
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