The viruses we know best are the ones that make us sick — the influenza…

The Covid-19 vaccines were powerfully protective, preventing millions of deaths. But in a small number…

Doctors and nurses who love Max’s “The Pitt” remember the moment they realized it wasn’t…

Pope Francis, who remains hospitalized, has bilateral pneumonia, the Vatican said on Tuesday.The term simply…

Jim Jones, the director of the Food and Drug Administration’s food division, resigned on Monday,…

The notices came all weekend, landing in the inboxes of federal scientists, doctors and public…