Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.

A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concern about a severe flu season in the U.S. Here's what to symptoms to look out for.

The sudden appearance of this symptom could be your body's alarm bell going off, a top infectious disease MD explains.

The 2025-2026 flu season is surging in the U.S. and New Jersey, where there's been increased severity of influenza A, with further testing from the CDC showing many NJ residents have the emerging ...

Learn how Subclade K, a variant of the influenza A virus, is affecting immune responses and contributing to this year’s intense flu season.

Flu activity remains elevated across Tennessee, with parts of East Tennessee reporting some of the highest levels of ...

Add Yahoo as a preferred source to see more of our stories on Google. A more severe and highly contagious new strain of the flu is circulating this season. It’s called subclade K, or more popularly ...

Although most of us have only just heard of it, adenovirus has been dubbed the 'mystery illness sweeping the globe' – and that tracks, given how many people seem to have symptoms of it right now.

Cases across the country had appeared to decline before new public health data showed upticks in infections.

(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 ...

The 2025-26 flu season is surging with an increase in influenza-like illness across the U.S. — and in Michigan — with a new variant known as subclade K. The spread of influenza-like illness has ...