Influenza A, B, C Or D? Flu spreads easily in winter due to crowded indoor spaces, low humidity, and reduced immunity.

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

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.

The CDC estimated there have been at least 7.5 million illnesses in the U.S., 81,000 hospitalizations and 3,100 deaths from ...

Flu cases are skyrocketing. Here, infectious disease doctors share what they want you to know about this flu season, in ...

(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 ...

As flu cases rise across the U.S., those who end up contracting the virus have treatments available that may help reduce ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

Is the 2026 super flu more dangerous than seasonal flu? Know key differences, common symptoms, warning signs, and when ...