The ongoing measles outbreak has reached three states and serves as a stark reminder of the vital role that herd immunity plays in safeguarding our communities. Originating in Gaines County, Texas, ...

As a number of western nations, including the United States, wind down stay at home orders, the World Health Organization said on Monday that attempting herd immunity without a vaccine is a “dangerous ...

A check mark. It indicates that the relevant content has been reviewed and verified by an expert Our stories are reviewed by medical professionals to ensure you get the most accurate and useful ...

Herd immunity went from a phrase most of us had never heard of to the thing we're all waiting for in just about a year's time. "It's kind of shorthand for back to normal," said Dr. Bob Wachter, chair ...

SAN FRANCISCO -- It's a story that has been making headlines across the United States: Did Californians develop herd immunity after possibly being exposed to novel coronavirus last year? On Thursday, ...

Herd immunity is the name for a point in time when it's hard for a disease to spread through a group of people. The idea of herd immunity works for some diseases, such as measles. But it's a harder ...

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? ...

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 ...