2nd vaccine booster significantly lowers Covid death rate: Israeli study
JERUSALEM: Senior residents who acquired a second booster of the Pfizer–BioNTech Covid-19 vaccination had a 78% ...
Read moreJERUSALEM: Senior residents who acquired a second booster of the Pfizer–BioNTech Covid-19 vaccination had a 78% ...
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Copyright © 2022 198 Vietnam News.