The Trump administration on Monday tore up the federal government’s childhood vaccine guidance, the most dramatic step yet in health secretary Robert F. Kennedy Jr.’s efforts to disrupt public health ...

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

The Food and Drug Administration's decision, made public on Feb. 10, to not review an application to approve Moderna's proposed mRNA-based flu vaccine set off a firestorm of criticism from public ...

Defense Secretary Pete Hegseth announced Tuesday that the U.S. military will no longer require the annual flu vaccine for troops."Our new policy is simple. If you, an American warrior entrusted to ...

The military will no longer require U.S. troops to receive the annual flu vaccine, Defense Secretary Pete Hegseth said Tuesday, rolling back what he described as an “overly broad” mandate that had ...