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 ...

Read on to learn about the different types of flu. Flu, or influenza, is a contagious respiratory infection caused by various flu viruses. Symptoms include muscle aches and soreness, headache ...

Nearly 119,000 birds have been culled at a farm in California after a bird flu called H5N9 was detected among the poultry.

The first outbreak of H5N9 bird flu in poultry has been reported in California on a duck farm leading to the culling of ...

With influenza viruses, scientists name them based on the Hs and Ns (hemagglutinin and neuraminidase surface proteins), according to Cennimo. There are "continual mutations" of flu strains ...

Here's what you need to know about the highly pathogenic H5N1 avian influenza, and what bird flu might mean to you, your ...

Every fall and winter, medical professionals preach the same message: Get your flu shot. While getting the flu shot always ...

RSV is usually contagious for three to eight days. A patient also may be contagious a day or two before experiencing symptoms ...

The team found that animals that had the virus inoculated directly into their lungs became severely ill, whereas animals that ...