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 ...

The term herd immunity saw an increase in usage amid the COVID-19 pandemic.Herd immunity means that enough people within an area have developed a protection against a virus or other infectious disease ...

The concept of herd immunity is one of several factors determining when society might come close to returning to normal. Here's a deeper look at how it works.

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 ...

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, ...