An mRNA-based flu shot could make a huge difference in flu prevention, allowing scientists to pick a better strain match.

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 ...

How bad will the 2025-2026 flu season be? The exact timing, duration and severity of flu seasons vary each year and can only really be understood in retrospect, explains Robert Amler, MD, MMS, MBA, ...

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.