Helen Branswell

Helen Branswell

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Senior infectious disease reporter at STAT News; renowned for authoritative coverage of outbreaks, vaccines, and public health.

FDA Backs Monovalent JN.1 Vaccine; CDC Response Unclear
SocialJun 2, 2026

FDA Backs Monovalent JN.1 Vaccine; CDC Response Unclear

ICYMI (I did): #FDA has accepted the recommendation of its expert panel, #VRBPAC & recommended that Covid-19 vaccine manufacturers make a monovalent targeting the JN.1 lineage XFG variant. How will #CDC handle the change? It would normally go to #ACIP...

By Helen Branswell
HHS Claims Vaccine Transparency Harms Public Health
SocialJun 2, 2026

HHS Claims Vaccine Transparency Harms Public Health

HHS’ response to an NYT report that hospitals are admitting more kids sick from vaccine-preventable illnesses: “We reject the premise that providing Americans with transparent information about the benefits and risks of medical products” - ie vaccines - “undermines public...

By Helen Branswell
US Measles Cases Surge to 87% of Last Year's Total
SocialMay 29, 2026

US Measles Cases Surge to 87% of Last Year's Total

5 months into 2026, the US has racked up 1,983 confirmed measles cases. That's nearly 87% as many cases as were recorded in all of 2025. Most of those cases are locally acquired; only 9 are imported. Unless vaccination patterns improve,...

By Helen Branswell
WHO Declares Bundibugyo Ebola Outbreak a PHEIC
SocialMay 17, 2026

WHO Declares Bundibugyo Ebola Outbreak a PHEIC

1. #WHO has declared the #Ebola #Bundibugyo outbreak in NE DRC a public health emergency of international concern, aka a PHEIC. Yet another sign this is likely to be a very challenging outbreak. So far there've been 8 confirmed cases, 246...

By Helen Branswell
Mild Animal Skin Disease Detected in MSM, No Livestock Contact
SocialMay 11, 2026

Mild Animal Skin Disease Detected in MSM, No Livestock Contact

Doctors in several European cities are seeing cases of an animal skin disease in men who have sex with men who haven't had contact with the livestock that normally contract this disease. The good news is, it's mild & treatable....

By Helen Branswell
Hantavirus: Weeks of Incubation, Rapid Decline—Seek Care Fast
SocialMay 9, 2026

Hantavirus: Weeks of Incubation, Rapid Decline—Seek Care Fast

Another thread worth your time. A note about #hantavirus: The incubation time (period from infection to symptoms) can be very long — weeks. But once symptoms start, progression to severe disease is rapid. Quick access to care is critical.

By Helen Branswell
CDC Delays Hantavirus Alert, HHS Controls Communication
SocialMay 9, 2026

CDC Delays Hantavirus Alert, HHS Controls Communication

1. #CDC issued its 1st alert to health providers & public health depts on the cruise ship #hantavirus outbreak overnight. I got it at 12:45 am ET. This should have happened days ago. CDC's communications are tightly controlled by...

By Helen Branswell
Measles Cases Surge: 80% of 2026 Total in 4 Months
SocialMay 8, 2026

Measles Cases Surge: 80% of 2026 Total in 4 Months

#Measles is still doing in the US what measles does super well — spreading. As of 5/7, there have been 1,842 confirmed cases this year, which is 80% of the 2026 total in just over 4 months. https://t.co/fMaSWEJiUL

By Helen Branswell
AI Driving Surge in Fake Scientific Citations, Study Finds
SocialMay 7, 2026

AI Driving Surge in Fake Scientific Citations, Study Finds

I find this unsettling: A new study in #Lancet shows that the number of faux citations in scientific articles is on the rise, and #AI is likely to blame. @AnilOza16 reports. https://t.co/HpXoXQVeTN

By Helen Branswell
Six Former FDA Employees Explain Trump‑Era Job Cuts
SocialMay 7, 2026

Six Former FDA Employees Explain Trump‑Era Job Cuts

We've all seen the numbers of jobs the Trump administration sheared from HHS & its agencies. But what did a place like the #FDA lose in the process? @LizzyLaw_ has written a phenomenal piece on 6 people who loved working...

By Helen Branswell
Hantavirus Outbreak Threatens Cruise Ship Passengers and Contacts
SocialMay 7, 2026

Hantavirus Outbreak Threatens Cruise Ship Passengers and Contacts

The #hantavirus outbreak on the cruise ship off the coast of Africa is a serious public health event that needs to be handled properly. But if you are having #Covid flashbacks, put those worries to rest. The risk here is...

By Helen Branswell
US Exit From WHO Risks Missing Outbreak Alerts
SocialMay 5, 2026

US Exit From WHO Risks Missing Outbreak Alerts

As an outbreak, #hantavirus on a cruise ship is more interesting than alarming. But it should serve as a warning sign to the US, which by withdrawing from #WHO has cut itself off from WHO's outbreak intelligence network, writes @KrutikaKuppalli. https://t.co/WdEaLOWf1f

By Helen Branswell
Funding Cuts and Visa Limits Spark US Brain Drain
SocialMay 4, 2026

Funding Cuts and Visa Limits Spark US Brain Drain

#NIH funding cuts & visa crackdowns are driving away talented foreign researchers who normally would have flocked to the US, a @statnews.com survey shows. "It is going to cause a long-term brain drain," one US based researcher told @DrewQJoseph. ...

By Helen Branswell
CDC Reports 7 More Unvaccinated Child Flu Deaths
SocialMay 1, 2026

CDC Reports 7 More Unvaccinated Child Flu Deaths

#Flu season is over but #CDC was alerted last wk to 7 more kids who died from flu. Six were from this past season, bringing the total to date to 155. It will grow becoz these deaths are often reported...

By Helen Branswell
Helen Branswell | Pulse