Most people think of vaccines as being "preventive," and taken to "prevent or lessen the impact of certain infectious ...

The European Union's drug regulator has recommended approval of Moderna's updated formulation of COVID-19 shot Spikevax, the ...

Recapping some of the most talked-about news this week from the nation and around the world – in case you missed it.

As Covid cases are ramping up once again this summer, it’s natural to start thinking of the risks and wonder if it’s time to ...

U.S. health secretary Robert F. Kennedy Jr.'s changes to federal vaccine policy are prompting medical organizations and ...

Doctors and infectious disease experts stress that flu vaccines are safe, and they are especially important for older adults ...

The Department of Health and Human Services moved to eliminate thimerosal from flu shots in a victory for antivaccine ...

ABC News medical contributor Dr. Alok Patel discusses the vaccine changes approved by Health and Human Services Secretary ...

The claim about his health and the COVID-19 vaccine is consistent with a common conspiracy theory that spread online during ...

Despite strong clinical data, RSV immunization rates among pregnant women and older adults remain worryingly low, ...

A nonprofit anti-vaccine group founded by Robert F. Kennedy Jr. is suing him, in his capacity as secretary of the US ...

More than 100 days after the MAHA Commission was founded, "any grace period for Mr. Kennedy to rectify the failure of his ...