Topic: Amesh Adalja

The U.S. Food and Drug Administration on Monday approved new COVID boosters for Americans, setting the stage for the updated vaccines to become available within days.

A prestigious collection of infection disease experts and epidemiologists say universal masking requirements in healthcare settings should be lifted, according to a commentary they published Tuesday.

Some experts are worried that the H5N1 avian flu might become humankind's next pandemic-causing pathogen, if the raging virus makes the leap from birds to humans.

The latest COVID-19 variant to gain a foothold in America is called XBB.1.5, which has rapidly started to crowd out other competing variants.

The U.S. COVID-19 vaccination program slashed the coronavirus' expected death rate by as much as 58%, saving hundreds of thousands of lives during the first two waves of the pandemic, a new study says.

Paxlovid appears to be living up to its reputation as the Tamiflu treatment for COVID-19, maintaining its effectiveness even against emerging variants, a new study shows.

COVID-19 can make a comeback after an infected person has gone through a round of Paxlovid, the antiviral used to minimize a bout with the coronavirus, according to the U.S. Centers for Disease Control and Prevention.

COVID-19 might be easing into a new status as a widely circulating and somewhat harsher version of the common cold, experts say -- a virus that folks could contract repeatedly, even if they were recently infected.

Planet Earth is growing hotter, forcing animal species to increasingly migrate to new areas and interact with unfamiliar creatures. The phenomenon could have dire consequences to human health, new research suggests.

Catching COVID-19 appears to increase an older person's risk of developing a case of shingles.