Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...

Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

West Coast states are teaming up to issue their own vaccine guidelines in the face of rapid changes at the Centers for Disease Control and Prevention and the Food and Drug Administration. The federal ...

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HHS Secretary Robert F. Kennedy Jr.'s vaccine advisors have set their sights on aluminum adjuvants in vaccines as part of their review of the U.S. pediatric vaccine schedule. While the concept of ...

Herd immunity occurs when enough people become immune to a disease, either through vaccination or previous infection. This can reduce the likelihood of it spreading and increase protection for ...

A vaccine combined with Keytruda is associated with a 49% reduction in the risk of recurrence or death. Among patients with advanced melanoma, long-term data have shown that a personalized mRNA cancer ...

A 4-year-old boy picks out a bandage before getting vaccinated in San Jose, California, in 2022. (Jane Tyska/Digital First Media/The Mercury News via Getty Images) How we did this Pew Research Center ...

Hepatitis B is a potentially fatal liver disease. It spreads through contact with bodily fluids, and certain groups including health care workers and IV drug users are at higher risk. Anyone can be ...