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? ...

TUCSON, Ariz. (KGUN) — Many Arizonans want to know when herd immunity will be reached in the state and Arizona's top doctor said it could happen in the fall if Arizonans continue to get vaccinated at ...

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 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 ...

New York state has half the population of California but has experienced 14 times as many deaths from novel coronavirus. RELATED: Californians may have developed some herd immunity to coronavirus last ...

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 ...

CHICAGO (WLS) -- There are huge challenges in the quest for herd immunity with millions of adults in Illinois remaining unvaccinated. The I-Team examined why demand for the vaccines is dropping and ...

Louisiana's vaccination rate dips below percentage sufficient for herd immunity. How do declining rates impact infectious ...

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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 ...