SALT LAKE CITY — When it comes to the upcoming influenza season, there's a potential mismatch between the vaccine and what might circulate, raising the risk that the flu season could be severe. And ...

Sickness is surging across the United States following the holiday season, bringing thermometers and medicine to homes amid presents and Christmas dinner leftovers. New York state especially has been ...

Add Yahoo as a preferred source to see more of our stories on Google. The flu season is ramping up in a big way as an influenza A H3N2 mutation called subclade K drove a near 15% increase in clinical ...

It's winter and with the holidays near, the 2025-2026 flu season has hit the U.S. with flu cases on the rise in New Jersey, with doctors urging those who haven't gotten the flu shot to do so now.

A nasal spray vaccine that puts your immune system on permanent high alert – and could one day protect against flu, COVID and future pandemics.

An influenza vaccine is pictured at a free vaccine clinic at the Sanderson Community Center in Taylorsville on Wednesday, Nov. 9, 2022. The clinic is made possible through the Salt Lake County Health ...

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...