Influenza is a highly contagious viral infection that affects the respiratory system. Although often dismissed as a seasonal ...

Flu activity remains "very high" in most states, the Centers for Disease Control said this week, as illnesses, emergency room ...

Low vaccination rates may be contributing to the spread of flu, but data suggests the number of cases so far this season is ...

For instance, there have been a total of 40,324 lab-confirmed flu tests so far this season, down from the 45,458 reported at ...

MIAMI - Flu cases are rising rapidly across Florida, with the state among 27 experiencing "very high" flu activity, according ...

Flu season is here with some other ickiness joining the petri dish party, including allergies, strep, pneumonia, COVID-19 and ...

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

This year's flu season started unusually early and has been spreading at high levels around the country. And now, it looks like the U.S. is experiencing a second peak of flu activity this winter.

San Mateo County public health officials reported finding H5N1 bird flu in a pet cat and a backyard poultry flock.

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