Countries Press On With Chinese Covid-19 Vaccine Despite Efficacy Questions


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Results from a clinical trial in Brazil have raised concerns about one of China’s leading vaccine candidates, but for some countries a lower efficacy rate isn’t a deal breaker. Indonesian President Joko Widodo received a shot of the Sinovac BioTech Ltd. vaccine in a televised ceremony on Wednesday, after researchers in Brazil running a late-stage trial said it was only 50.4% effective . Indonesia, Brazil and Turkey have already begun receiving early batches of the vaccine, called CoronaVac. On Wednesday, Turkey granted emergency approval to the vaccine, and the Philippines said that it still planned to use it as a...