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
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

Topic |   Coronavirus China
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
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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