Add Yahoo as a preferred source to see more of our stories on Google. Defense Secretary Pete Hegseth is focused on a new enemy as the war with Iran rages on: the flu shot. In a video posted Tuesday, ...

Can the flu shot cause the flu? You may be tempted to skip your flu shot this season because of scheduling issues, a fear of needles or another reason. But misconceptions and misinformation — ...

Much of the concern this flu season is coming from the spread of subclade K, a subtype of influenza A. Similar subtypes have historically caused more hospitalizations and deaths than other strains.

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 ...

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

The CDC recommends getting a flu shot by the end of October, but it is never too late to get vaccinated. The CDC recommends that everyone aged 6 months and older receive a flu shot each season. This ...