Virus

Walking through the intensive care unit is often a lesson in how much there is to fear. Just a few…

Scientists doing “gain-of-function” research said that heightened fears of lab leaks are stalling studies that could thwart the next pandemic…

America has begun to treat Covid-19 like just any other disease — boosters are now arriving on an annual fall…

Here’s who should get the flu, Covid and R.S.V. vaccines, and when.

Though agency advisers had some safety concerns, the Pfizer shot is expected to be available before the winter R.S.V. season.

Federal regulators plan to authorize an additional dose for seniors and immunocompromised people in the coming weeks, ahead of the…

Este cánido que se vende por su carne y piel se podía conseguir en el mercado de Huanan, donde muchos…

The research was conducted in part when older variants of the coronavirus were spreading. Other factors may have influenced the…

Scientist have tested in animals a vaccine that may protect against 20 strains of influenza, helping to prevent another pandemic.

Before the Covid-19 pandemic, little was done beyond flu shots to counter the seasonal respiratory virus infections that circulate among…