Vaccines boost the immune system's ability to fight off diseases. Vaccines undergo rigorous testing to ensure safety and effectiveness. Widespread vaccination contributes to herd immunity, protecting ...

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

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 ...

One of the biggest hurdles in developing an HIV vaccine is coaxing the body to produce the right kind of immune cells and ...

Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.

Medical experts repeatedly reiterate how vital vaccinations are to global health. As of last spring, the World Health Organization (WHO) estimated that worldwide immunization efforts have saved at ...

Vaccinations used to seem simple. Your doctor would tell you which to get, and you’d roll up your sleeve at the office or a nearby pharmacy. Now we’re seeing changing recommendations, and some people ...

BLOOMINGTON, Ill. (WMBD) — Vaccines have become an important part of modern medicine, keeping people healthy, but many people don’t actually understand how they work. When you get sick, your body ...