Feeling under the weather? You could have Influenza Type A. Here's the difference between Influenza Type A and Type B.

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in Michigan.

Vaccines still are effective in decreasing the possibility of hospitalization associated with this season's "super flu," ...

Is it flu A or flu B, and how long is it contagious? Here's what to know about the flu virus running rampant in New Jersey, symptoms, more.

To fully understand the burden of influenza, multiple factors must be considered, including prevention efforts, the circulation of the virus, population demographics, and other contingencies that ...

All viral activity benchmarks have gone down, except for a slight increase in the death rate. Here's what to know about the state of the flu season.

Flu season in the U.S. is particularly bad this year, and a new branch of the flu family tree may be to blame.

(NEXSTAR) – The flu virus is already hitting hard this season as a new variant spreads rapidly, but it’s not too late to protect yourself, experts say. Much of the concern this flu season is coming ...

Avian influenza A viruses, particularly the H5N1 subtype, continue to grab headlines — raising concerns for the public who is likely leery of another pandemic. Yet many infectious disease experts say ...

Validated Across Influenza A and Influenza B, Including H3N2 Subclade K and Zoonotic Influenza A Subtypes H5, H7, H9AUSTIN, ...

Nearly 9,000 flu cases reported in New Jersey as of the week ending Jan. 3. Here’s what to know about the H3N2 epidemic.

A late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...