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Article content The entire planet is now locked into one of the greatest peacetime efforts in human history: Getting as many COVID-19 vaccines into as many arms as possible in order to deny new victims to the pandemic. The brass ring of this effort is “herd immunity,” the now well-recognized principle of having a population so well-vaccinated against a virus that it becomes physically unable to spread. Below, what we know about herd immunity and COVID-19. We’re already neck-deep in various herd immunities We apologize, but this video has failed to load. Try refreshing your browser, or What is the magic number? Why we don’t know the herd immunity threshold for COVID-19 Back to video

New yorkUnited statesTristin hopperRyan remiorzPostmedia network incWhile swedenNew york cityNew yorkersPostmedia networkStreet eastபுதியது யார்க்ஒன்றுபட்டது மாநிலங்களில்போது ஸ்வீடந்புதியது யார்க் நகரம்புதியது யார்க்கர்கள்தெரு கிழக்கு