claim: china's sinovac vaccine 78 % effective, says 2005.
evidence_1: (ap photo/eraldo peres) sao paulo (ap)  a vaccine candidate made by chinas sinovac is 78% effective in protecting against the coronavirus, according to results of a study announced thursday by brazilian state health officials seeking federal approval of the shot.", "the sinovac vaccine is one of at least five chinese shots undergoing late- stage trials the coronavirus vaccine developed by chinese company sinovac biotech was found to be 78% effective in late-stage trials in brazil , brazilian media reported thursday."
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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