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, ...

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 ...

Flu vaccination rates among U.S. adults have fallen 24% since 2020, putting this season on track for a seven-year low. Many Americans say they skip the shot not out of fear, but because they don’t ...