The flu virus currently circulating in birds and dairy cows is already better at infecting people than earlier variants, and ...

Health experts have been sounding the alarm about the potential pandemic threat posed by bird flu, which has been showing ...

“I’m more worried about bird flu than I have been for a really long time,” Jennifer Nuzzo, director of the Pandemic Center ... recently published a book on preventing outbreaks called ...

One recent study of 115 farmworkers found that about 7% of them showed signs of a recent, undetected H5N1 infection. They’d ...

If the bird flu changes enough to effectively infect, grow in, and jump between people,“that’s how a pandemic starts,” Paulson says. His team focused on the first step in that process ...

A single mutation in the virus currently infecting poultry and dairy farms across the U.S. could help the it spread among humans.