A second subtype of H5 bird flu, known as D1.1, was detected in dairy cattle and infected one worker in the US state of ...

Nevada confirms its first human case of bird flu amid a growing U.S. outbreak impacting poultry, wildlife and the price of ...

New Mexico, Texas and Nebraska are among the states with the highest number of people showing flu-like symptoms.

U.S. medical services providers are seeing the greatest numbers of flu cases since the 2009-2010 flu season, the Centers for ...

Levels of influenza nationwide are now at the highest they have been since the peak of the 2009 swine flu pandemic, according ...

The map of flu activity across the United States continues to darken, both figuratively and literally, as case numbers spike ...

Flu activity has surged to high levels in many states, overwhelming some hospitals. Experts discuss what to expect for the 2024-25 flu season and how to stay safe.

More than 156 million chickens, ducks, turkeys and other fowl have been slaughtered across the United States since the ...

Schools around the U.S. are closing due to surges of flu and other illnesses, which are sickening students and staff. Here's what parents need to know.

Avian influenza continues to jeopardize Pennsylvania poultry flocks as additional outbreaks were reported in multiple counties this week, according to the Centers for Disease Control and Prevention ...

Scientists and public health leaders are taking stock of the Trump administration's abrupt decision to pull down web pages, ...