While we often refer to it as "the flu," the influenza virus has several strains, with flu A and flu B considered the most ...

Flu A and flu B are two different strains of influenza, explains Thomas Russo, M.D., professor and chief of infectious ...

Flu cases are on the up again, with 27 states — along with New York City and Washington D.C. — now moving to the Centers for ...

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

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

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

The flu vaccine benefits you by protecting you and the people you live with or spend significant time around. Everyone 6 ...

With bird flu cases cropping up across the country — including in Virginia — members of the state’s Democratic congressional ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the ...

For the week ending Jan. 25, seasonal flu activity remains high and increasing. Clinical laboratories tested 129,378 ...

RSV and norovirus infections is fueling concerns of a possible virus "quademic." Or is it just winter? The three respiratory ...

Avian influenza, also known as bird flu, has been detected in Canada geese in Jefferson County — now one of 10 Kentucky ...