Influenza cases continue to mount with the virus reaching activity levels in the U.S. not seen for the last 15 years, ...

Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the United ...

This story has been updated because an earlier version included an inaccuracy. Ohio is currently the leading state of bird flu cases within commercial poultry operations in the U.S., according to ...

Thousands of new bird flu cases have emerged in recent months among New York flocks, including in parks and even backyard coops. The spread set off a fresh round of public health alerts among ...

which has been the predominant symptom among recent U.S. cases of avian influenza virus infection, federal health officials noted. Wild birds can carry the avian flu without looking sick and ...