Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

Almost 6 out of 10 Americans who identify as Republican do not trust the Centers for Disease Control and Prevention (CDC) to provide reliable information on H5N1 bird flu, according to a new poll ...

Scientists are sounding alarms about a genetic mutation that was recently identified in four dairy cow herds, nearly one year ...

Most of those infections have been seen in wild bird populations, with two known instances of backyard poultry flocks ...

SACRAMENTO, the United States -- Scientists are sounding the alarm about a concerning genetic mutation of the H5N1 bird flu ...

As bird flu cases inundate more poultry and dairy farms, state officials worry that the Trump administration’s firings of federal scientists and other actions will undermine efforts to track the virus ...