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

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

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

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

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 mercury-based ingredient has prompted concerns from some organizations, although the CDC has said there is no evidence it ...

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

The new shots won’t be available until the fall, and are expected to be approved only for adults 65 and up and kids and ...

Forty-eight Democratic members of the House of Representatives, led by Representatives Mark Pocan of Wisconsin and Sara ...

The experimental mRNA vaccine developed at the University of Florida has shown the ability to supercharge the immune system ...

The first case of measles in North Carolina this year was reported last month, and doctors say an outbreak in the state is ...