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 ...

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