Tuesday, January 12, 2021

Brazil trial finds efficacy of Sinovac vaccine at 50.4 percent | Coronavirus pandemic News

A coronavirus vaccine developed by China’s Sinovac Biotech was found to be just 50.4 percent effective at preventing symptomatic infections of COVID-19 in a Brazilian trial, researchers said on Tuesday, barely enough for regulatory approval and well below the rate announced last week. The latest results are a substantial disappointment for Brazil, as the Chinese vaccine is one of two that the

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