There are two broad types of influenza — flu A and flu B — and many strains within those, but the current spike in flu cases ...

Flu season is in full force in the United States. At least 310,000 flu-related hospitalizations and 13,000 deaths have been ...

The U.S. has seen earlier and more intense surges of the flu and RSV this year than is typical, pediatrician Dr. Ryan Fulton notes.

For a second time this season, at least 41 states are reporting high or very high levels of the flu. Here's how to stay safe.

The United States is seeing a second peak in flu cases this season. After doctor’s office visits for flu dipped early this ...

H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

Liubomyr Vorona/iStock / Getty Images Plus According to the CDC, there are two other types of flu viruses: C and D. Influenza C typically only causes mild illness and is not thought to cause human ...

In this case, flu A viruses have learned to mutate to stay alive longer, which in turn makes it more likely that you (and everyone around you) gets infected. “With a change in genome ...

The state of Michigan has confirmed the flu has killed two children making them the first pediatric flu deaths in the state ...

Wisconsin is among 10 states to report human cases of the H5N1 virus so far, with more than half reported in California.