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covid19 immunity

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Between infections and immunizations, millions of people have developed a level of immunity against the coronavirus. But, how do scientists measure it? » Subscribe to WUSA9: https://bit.ly/2lO8e2F FOLLOW US ON SOCIAL MEDIA – Twitter: https://twitter.com/wusa9 Facebook: https://www.facebook.com/wusa9 Instagram: https://www.instagram.com/wusa9 NEWS…

Dr. Jen Ashton has what you need to know about reaching global herd immunity. we have of course abc chief medical correspondent dr john ashton with us as we track all the major developments so let’s start off today with…

Vaccinations for Covid-19 are now underway in the U.S. Two vaccines – one from Pfizer and BioNTech, one from Moderna — have received emergency use authorizations by the Food and Drug Administration. Both vaccines have been deemed safe, but they…