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.

Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the 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, ...

It can start with a sneeze.  Influenza, more commonly called the flu, is in full swing this winter, and Islanders have felt ...

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

Flu activity in Michigan is considered "very high," according the latest report from the U.S. Centers for Disease Control and ...

(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 ...

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

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.

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.