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

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

Seasonal influenza activity has elevated in California due to a “super flu” strain that has resulted in higher confirmed flu cases in children.

Although this year’s flu vaccine doesn’t protect as well against the dominant subclade K strain, doctors still say that ...

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

Flu is rising rapidly across the U.S., driven by a new variant of the virus. The Centers for Disease Control and Prevention ...

Flu cases are rising rapidly across the US due to a new strain called subclade K, a mutated form of the H3N2 influenza A ...

Hospitals are reporting more admissions — and more people heading to the ER. Here's what to know and what symptoms to watch ...

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.

One week into 2026, the U.S. is ringing in the new year with a surge in Flu cases across the nation due to a new variant.

The CDC says Texas flu is at "very high" levels, as the flu vaccine has been less effective against H3N2 subclade K.

A 2022 study estimates that at-home flu tests have a sensitivity of about 63% if the test is performed within 72 hours of ...