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Brazil downgrades efficacy of Chinese COVID-19 vaccine | TheHill – The Hill

  1. Brazil downgrades efficacy of Chinese COVID-19 vaccine | TheHill  The Hill
  2. Chinese Covid-19 vaccine far less effective than initially claimed in Brazil, sparking concerns  CNN
  3. Sinovac: Brazil results show Chinese vaccine 50.4% effective  BBC News
  4. Spain reports record 38,869 new cases – as it happened  The Guardian
  5. Turkish health authority gives go-ahead for emergency use of Chinese Sinovac vaccine  Washington Post
  6. View Full Coverage on Google News