More than 70 percent of California’s dairy cow herds are infected with bird flu. Here’s what to know - Nearly 70 people have ...

Cases of norovirus and bird flu are on the rise compared to last year, according to data from the CDC. Several states have experienced over 10 confirmed outbreaks of norovirus, a contagious virus that ...

A virologist explains that why this probably isn’t the big one — but that it’s a sign of bad things happening with the virus.

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

Each week some revelation about bird flu seems to flutter through the news cycle. Here's what the latest research is saying ...

"I feel like we should've learned our lesson from COVID, that just because we aren't testing doesn't mean the virus isn't there," Dr. Leana Wen said.

Health officials in the United States have raised concerns over the possible risks of a new pandemic, after a bird flu ...

In fact, California has been in a Tree Mortality State of Emergency since Oct. 30, 2015. It was declared by Gov. Jerry Brown ...

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

The legacy of our ancient human relatives, "brain-eating-amoeba" infections, emerging viral threats, the promise and peril of ...