Brazil trial finds efficacy of Sinovac vaccine at 50.4 percent – The Engineer's Point Of View

January 13, 2021

Brazil trial finds efficacy of Sinovac vaccine at 50.4 percent

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[1] https://www.aljazeera.com/news/2021/1/13/brazil-trial-finds-efficacy-of-sinovac-vaccine-at-50-4-percent

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