Does it feel like you know a lot of people fighting the flu virus this winter? The Centers for Disease Control and Prevention ...

Schools around the country are closing due to surges of flu and other illnesses which are sickening students and staff. Here's what parents need to know.

A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

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 ...

Flu activity has surged to high levels in many states, overwhelming some hospitals. Experts discuss what to expect for the ...

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to ...

“Areas with lower vaccination rates, colder weather and higher population density are seeing higher infection rates,” said Dr. Ryan Fulton, a faculty member at the Virginia Tech Carilion School of ...

On the CDC's flu activity map, at least 41 states are shades of red which reflects high or very high activity, including ...

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

Lindsey Vonn is feeling sick with “a cold or the flu” on the eve of her first event at the world championships in her return ...

A second strain of bird flu has been detected in U.S. dairy cattle, marking the first confirmed infections of this particular ...

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