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, ...

The United States is facing one of its most severe flu seasons in decades, data show. Infections and hospitalizations are surging, driven by a new mutated influenza A variant, H3N2 "subclade K." ...

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. Sneezing? Feeling congested? Coughing? Are these signs of flu season, a cold or allergies, or are they symptoms of COVID-19? What ...

(NEXSTAR) – The flu is once again spreading far and wide. The Centers for Disease Control and Prevention announced Friday there was a 19% rise in people testing positive for influenza in the most ...

(NEXSTAR) – As one variant of the flu virus starts to decline, another is rising to take its place. At the end of last year, when flu activity spiked amid the holidays, influenza A – specifically the ...