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 ...

Herd immunity can work against the spread of some diseases. There are several reasons why it often works. There are also many reasons why herd immunity won’t yet work to stop or slow the spread of ...

As more and more of the United States population gets vaccinated against COVID-19, many are wondering: when will enough people be vaccinated for life to return to normal? That question doesn't have a ...

The initial epicenter within a Texas Mennonite community highlights how declining vaccination rates can lead to rapid disease transmission. While some may believe that abstaining from vaccination ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...