Some surveys have shown that nearly 30% of people believe getting a flu shot can actually cause influenza. This belief is likely due to common side effects linked to the vaccine, including headache, ...

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 ...

U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

Every year, flu vaccines are updated to match the flu viruses expected to circulate. For 2026, the vaccine focuses on several influenza strains that research predicts will be most prevalent. This ...

Add Yahoo as a preferred source to see more of our stories on Google. A vaccine is administered in this file photo. (Elizabeth Conley/Staff Photographer) Houston has seen an active flu season as a new ...