The number of people getting sick with influenza B has gone up for three weeks straight, now making up about a third of flu cases nationwide.

Add Yahoo as a preferred source to see more of our stories on Google. It's flu season in Massachusetts, and most sick Bay Staters are coming down with Influenza Type A, according to recent health data ...

Add Yahoo as a preferred source to see more of our stories on Google. The new flu variant, H3N2 subclade K, is a mutation of the common flu A subtype, which is often the flu "going around" come late ...

While Influenza B is more severe, you will also need to now the symptoms and treatments for Influenza B as cases are rising ...

It's flu season in Massachusetts, and most sick Bay Staters are coming down with Influenza Type A, according to recent health data. During the week of Dec. 28, 2025, to Jan. 3, 2026, there were 7,514 ...

(NEXSTAR) – As one variant of the flu virus starts to decline, another is rising to take its place. Influenza A is still the most common type of flu circulating, but influenza B has risen for two ...

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 ...