Latest data shows which counties have been hardest hit by bird flu outbreaks among poultry flocks as the human case count climbs.

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

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

The bulk of the closures are concentrated in California, Florida, Indiana, Michigan, New York, Pennsylvania and Washington.

Kansas is currently experiencing a large tuberculosis outbreak, but federal health officials are countering the claim it’s a U.S. record.