Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP
Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP

China vaccines put to real-world test against Covid-19

  • Studies of vaccinated populations in Chile and Brazil show Sinovac can reduce deaths, counter variants
  • Efficacy rates are lower than mRNA shots but experts say that means more people will need to receive vaccinations to achieve herd immunity

Topic |   Coronavirus pandemic
Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP
Chinese company Sinovac’s Covid-19 vaccine is administered to a man in Rio de Janeiro, Brazil. Photo: AFP
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