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 ...

With the acute phase of the Covid-19 pandemic fading even as the coronavirus persists and evolves, a new normal is taking shape around the world. But there have been plenty of other illnesses to ...