The covid-19 pandemic opened the door to once-controversial human challenge trials. Now, volunteers are willingly catching ...

A new flu variant called subclade K is gaining attention as doctors warn it could lead to a tougher flu season this winter.

How can we monitor the cross-species transmission of avian flu? The answer is FluWarning, a digital system that reports ...

Whooping cough is spreading in Austin along with flu and RSV, Mpox and hand, foot and mouth disease. Practice good safety ...

Egg producers suspect bird flu is traveling through the air. After a disastrous Midwestern outbreak early this year, we tested that theory and found that where the wind blew, the virus followed.

Despite a relatively slow start to the flu season, U.S. schools are preparing for an increase in absences and sick children as a new variant gains momentum. The flu vaccine for the ...

Seasonal flu and norovirus are circulating right now. But which illness do you have? Doctors share what to look for when ...

U.S. flu rates remain low, but experts are keeping an eye on a new strain that’s been linked to unexpectedly early and severe ...

If you feel ill but your symptoms are only above the neck — a stuffy nose, a bit of a sore throat — you could just have a ...

Last year’s outbreaks were the largest in a decade, fueled by an emerging variant of the highly contagious, hard-to-kill ...

Flu cases in Oklahoma are low right now, but doctors warned those across the state not to get too comfortable.

A mutated strain of the flu is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to ...