AstraZeneca's US Trial Shows COVID-19 Vaccine 79 Per Cent Effective Posted By: Unknown 19:57 Leave a Reply Pharmaceutical giant AstraZeneca said Monday that trials showed its Covid-19 vaccine is 100 percent effective in preventing severe disease, as a row simmered between Britain and the EU over... from NDTV News - Latest https://ift.tt/2P10zNF Tweet Share Share Share Share
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