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Coronavirus LIVE Updates: US Death Toll Hits New Daily Record of Nearly 4,500; New Brazil Data Shows 50.4% Efficacy for China's CoronaVac Vaccine

Coronavirus LIVE Updates: A coronavirus vaccine developed by China's Sinovac Biotech was just 50.4% effective at preventing symptomatic infections in a Brazilian trial, researchers said on Tuesday, barely enough for regulatory approval and well below the rate announced last week.

from Top India News- News18.com https://ift.tt/39sJAtD

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