The Centers for Disease Control and Prevention today released an advisory recommending clinicians expedite subtyping of type ...

As flu season ramps up in the U.S., influenza is not as simple as it first appears, with several different strains in play.

The CDC is now calling for subtyping of influenza A viruses in all hospitalized patients -- and on an accelerated timeline, ...

To round out the name, the viruses are given an H and N number to indicate a subtype. A full name might then look like this: A/Sydney/05/97 (H3N2), meaning a type of influenza A virus, strain 05 ...

told Salon H5N1 and other avian influenza viruses are a type A influenza virus. "We do need subtype confirmation to make sure it's ‘H5,’ and sub-type testing is not widely accessible." ...

Seasonal influenza vaccines triggered protective immune responses against the H5N1 avian influenza virus primarily in younger ...

Influenza is high across the country, and Indiana is among the states affected. Here's what we know about how long flu lasts, medicines, shots and more.