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, ...

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

The flu season is ramping up in a big way as an influenza A H3N2 mutation called subclade K drove a near 15% increase in clinical lab tests and a hospitalization rate of 11 people per 100,000, ...

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 ...