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.

Biden administration officials said Wednesday they have no current plans to authorize a stockpiled bird flu vaccine, despite an escalating outbreak among livestock in the U.S. and at least 58 human ...

A dozen more dairy herds in California have been stricken with bird flu as the virus continues to infect animals and humans ...

It was a year in health news that will be hard to forget.As blockbuster weight-loss drugs known as GLP-1s made a sizab ...