China is using dual testing to determine how many people have been infected with Covid-19 but recovered without showing symptoms. Photo: AP
China is using dual testing to determine how many people have been infected with Covid-19 but recovered without showing symptoms. Photo: AP

Coronavirus: China launches study into asymptomatic cases and shared immunity

  • Residents of nine regions, including Wuhan, Beijing and Shanghai, to be sampled using both nucleic acid and antibody tests, state media reports
  • Research ‘very important as it will help us to direct our countermeasures in the future’, molecular virologist says

China is using dual testing to determine how many people have been infected with Covid-19 but recovered without showing symptoms. Photo: AP
China is using dual testing to determine how many people have been infected with Covid-19 but recovered without showing symptoms. Photo: AP
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