A study of a small Brazilian town vaccinated with the shot made by Sinovac Biotech Ltd. showed it can control Covid-19 outbreaks more effectively than expected from clinical testing.
source https://www.ndtv.com/world-news/chinas-sinovac-shot-controls-covid-in-brazil-town-after-75-covered-2453485
source https://www.ndtv.com/world-news/chinas-sinovac-shot-controls-covid-in-brazil-town-after-75-covered-2453485
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