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 ...

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 ...

A large, long-term study led by an Albert Einstein College of Medicine researcher has found that the introduction of the human papillomavirus (HPV) vaccine in community settings is highly effective in ...

Vaccines work, actually. But that’s not all. Depending on the specific vaccine we’re talking about, that jab might also prevent cancer, heal herpes lesions, help you keep most of your marbles, prevent ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

Midwife Sarah Joy Owen's insights about the whooping cough and RSV vaccines in pregnancy and why she recommends them to all ...

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 ...