Virus
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Health
Federal Officials Find No Live Bird Flu Virus in Initial Milk Tests
The early results suggest that pasteurization is killing the H5N1 virus in milk, something that regulators were not certain of.
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Health
One in Five Milk Samples Nationwide Shows Genetic Traces of Bird Flu
There is no evidence that the milk is unsafe to drink, scientists say. But the survey result strongly hints that…
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News
As a Doctor, I Don’t Fear Covid as I Once Did. But I Carry Its Grave Lessons Forward.
Walking through the intensive care unit is often a lesson in how much there is to fear. Just a few…
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News
Lab Leak Fight Casts Chill Over Virology Research
Scientists doing “gain-of-function” research said that heightened fears of lab leaks are stalling studies that could thwart the next pandemic…
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News
We Should Have Known So Much About Covid from the Start
America has begun to treat Covid-19 like just any other disease — boosters are now arriving on an annual fall…
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Health
Three Vaccines for Fall: What You Need to Know
Here’s who should get the flu, Covid and R.S.V. vaccines, and when.
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Health
F.D.A. Approves Pfizer’s R.S.V. Vaccine for Older Adults
Though agency advisers had some safety concerns, the Pfizer shot is expected to be available before the winter R.S.V. season.
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World
F.D.A. Plans to Allow a Second Updated Covid Booster for Vulnerable Americans
Federal regulators plan to authorize an additional dose for seniors and immunocompromised people in the coming weeks, ahead of the…
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World
¿Qué son los perros mapache?
Este cánido que se vende por su carne y piel se podía conseguir en el mercado de Huanan, donde muchos…
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Health
New Covid Booster Shots Cut Risk of Hospitalization by Half, C.D.C. Reports
The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the…