Outpatient health care visits for flu-like illnesses are at their highest levels in 15 years, according to data updated ...

The U.S. influenza rate is at or near its highest level in at least 15 years and is still on the rise, the U.S. Centers for ...

Over the past week, a series of developments have reaffirmed the imminent danger of an H5N1 “bird flu” pandemic, for which ...

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding raises some worrying ...

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

A spike in flu cases in NY offered clues on when the season may end, underscoring it's not too late to get a flu shot.

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced Wednesday.

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...