Herd immunity means that more people are immune to a contagious disease than the amount that can be infected. Here's how it ...

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 ...

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 ...

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 ...

PHILADELPHIA (KYW Newsradio) — You may have heard the statement, “We can’t eradicate a virus if we don’t achieve herd immunity.” The concept sounds simple, but it is extremely complex. Most people ...

An NBC News investigation found childhood vaccine rates have dropped significantly. But does this matter if you or your child ...

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