COVID-19 Vaccine Update: Efficacy of China's Sinovac ...
https://in.news.yahoo.com/covid-19-vaccine-efficacy-chinas-134345268.html
Beijing, December 25: The vaccine against COVID-19 being developed by China's Sinovac BioTech is undergoing late-stage trials in China and Indonesia, whereas, the early results of clinical tests have been released by Turkey and Brazil. The efficacy of the vaccine remains uncertain, and the portion of data shared by Ankara and Brasilia have added to the confusion.
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