BBC world news Edit post Sinovac: Brazil results show Chinese vaccine 50.4% effective Admin 13 يناير 2021 (0) Sinovac: Brazil results show Chinese vaccine 50.4% effective Latest results show Sinovac's Covid-19 vaccine is less effective than previous data suggested. https://ift.tt/38EmiSp facebook twitter pinterest whatsapp reddit linkedin BBC world news reactions Latest articles from : BBC world news تعليقات
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