Medical experts debunk flu shot myths: vaccines use inactive virus that cannot cause illness. Discover what side effects ...

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

The Influenza A H3N2 virus subclade K represents a change in the basic structure of the influenza virus.

One type mutates often and causes seasonal pandemics. The other one doesn't. Here's what else is different.

Flu-related pediatric deaths have doubled since last week, according to the CDC. Here's what to know this week, including ...

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

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, ...

(NEXSTAR) – As we get deeper into flu season, a new type of the influenza virus has been identified, the Centers for Disease Control and Prevention confirms. The new strain is a variation of influenza ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

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

Flu-related hospital admissions are up since December and the respiratory illness season typically extends through April.