Pentagon chief Pete Hegseth announced the military is doing away with a longstanding vaccination policy that required service members to receive the flu shot. In a video post on X on April 21, Hegseth ...

The flu vaccine has been required annually for U.S. military personnel since the 1950s. (Senior Airman Andrew Garavito/U.S. Air Force) The U.S. military will no longer require service members to get ...

In a large study of 429,595 adults aged 65 years or older, adjuvanted and high-dose influenza vaccines showed no significant ...

As the U.S. flu season winds down, health officials say the flu vaccine didn't work very well, with one of its worst effectiveness rates in more than a decade. A new strain that dominated the early ...

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