The vaccine, previously known as ChAdOx1 nCoV-19 and now as AZD1222, was developed by the University of Oxford and licensed to AstraZeneca. Immunity to the new coronavirus is uncertain and so the use of vaccines is unclear.
from US News Headlines, Latest USA News, America Breaking News - Times of India https://ift.tt/2XeFgZ2
from US News Headlines, Latest USA News, America Breaking News - Times of India https://ift.tt/2XeFgZ2
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