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 nearly COVID-free summer has long been the goal of public health officials who are striving to get enough people vaccinated by then to achieve so-called herd immunity. But is that a realistic goal? ...

With news of two highly effective COVID-19 vaccines on the horizon, health officials and scientists are giving us new insight into how we could gain herd immunity. "If we think of the population as a ...

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 ...

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 ...

With ongoing measles outbreaks since October 2024, the Pan American Health Organization has now revoked the measles ...

Editor’s note: Dr. Jerome Adams, who served as US surgeon general in the first Trump administration, is a distinguished professor in pharmacy practice and public health at Purdue University. The ...

A former State Department official said Tuesday that “herd immunity” has been key to stopping the spread of the coronavirus in China to such a degree the country was able to allow a weekend pool party ...