The “super flu” behind outbreaks in the US and UK is a new variant of influenza A H3N2, subclade K. Existing vaccines appear ...

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

Discover new COVID variant symptoms in 2026, understand respiratory infection risks, and learn effective protection ...

Subclade K has become the dominant form of flu and is slightly different from the virus targeted by this year’s flu vaccine.

The level of flu varies by state. But overall, more people have recently tested positive for influenza, with flu-related visits to ER and outpatient centers ticking up this week nationally compared to ...

The “super flu” is a variant of influenza A H3N2 called subclade K. Historically, similar variants have caused more severe ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. A new coronavirus variant is ...

A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which ...

A newer COVID-19 variant may be causing a severe sore throat in some people who contract the infection. The variant, known as NB.1.8.1, has been nicknamed by some as "razor blade throat" due to the ...

A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

Norovirus, the highly contagious stomach bug that causes vomiting and diarrhea, is surging again. Here's what to expect and ...

New data released by the Centers for Disease Control and Prevention on Monday shows a massive spike in flu activity ...