Add Yahoo as a preferred source to see more of our stories on Google. People who get a flu shot are less likely to become severely ill, be hospitalized or die. - Kylie Cooper/Reuters/File Flu is ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Flu is surging across most of the U.S. But, amid an early, harsh season, there is a glimmer of promising news: The flu shot may be more effective than experts predicted. Early evidence shows that this ...

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 ...

Experts recommend vaccines by end of October, but shots remain effective in winter. Flu vaccine halves medical visits; vulnerable groups gain largest benefit from shots. Vaccines cause only mild, ...