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 predicted surge of influenza cases, driven by the new “subclade K” mutation, is hitting Rhode Island emergency rooms as ...

At least 11 million people have gotten sick, and 5,000 people have died from the flu this season as vaccination rates wane: ...

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, ...

Have you been sick since the new year started? You're not alone; here's what to know about new H3N2 flu strain and its ...

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza ...

At least 14 states and Washington, DC, are seeing high and very high levels of flu, mainly caused by a surprise new influenza mutation called subclade K.

NYC's flu cases hit a decade high with severe impacts and a mismatch between the vaccine and the prevalent strain.

(WAND) — Flu cases are on the rise, and we can expect that number to steadily rise as the peak season gets closer. There is a new mutation called subclade K, but it is not uncommon for the flu virus ...