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 ...

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 ...

Adults often skip their vaccine shots, thinking they are stuff for kids. But when immunity fades, vaccines work like chargers to boost the system. Infectious diseases expert Dr V Ramasubramanian from ...

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 ...

It’s among the most-contagious viruses known. One infection can be expected to spread to between 12 and 18 additional people. If 10 unvaccinated people are in a room with a known case, nine will ...

As Florida halts some mandatory childhood vaccines, residents in the state are split — some fear a drop in herd immunity while others praise the decision as a win for parental choice. Florida is ...

The influenza or flu season has just begun, and this viral respiratory infection affects millions of people each year. As the United States prepares for it, it is important to take measures to prevent ...