Virus
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World
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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World
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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World
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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World
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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World
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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World
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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US
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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World
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…
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World
One Step Closer to a Universal Flu Vaccine?
Scientist have tested in animals a vaccine that may protect against 20 strains of influenza, helping to prevent another pandemic.