Scientists have been unable to agree on what role asymptomatic transmission plays in spreading Covid-19. Illustration: Perry Tse

A third of coronavirus cases may be ‘silent carriers’, classified Chinese data suggests

  • More than 43,000 people in China had tested positive without immediate symptoms by the end of February and were quarantined
  • It is still unclear what role asymptomatic transmission is playing in the global pandemic
Topic |   Coronavirus outbreak

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Scientists have been unable to agree on what role asymptomatic transmission plays in spreading Covid-19. Illustration: Perry Tse
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