COVID-19 trends also depend on the emergence and spread of new variants. The latest, including NB.1.8.1, are getting better ...

A new simulation study shows that higher influenza vaccination rates protect both vaccinated and unvaccinated people from ...

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

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

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