Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP
Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP

Wuhan study spotlights China’s Covid-19 herd immunity challenge

  • Swift lockdown measures brought disease under control but population vulnerable to imported infections without vaccinations
  • Researchers find possibly 10 times more people than original estimates could have been infected but herd immunity a long way off

Topic |   Coronavirus pandemic
Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP
Researchers spent months in Wuhan, central China, tracking the immune defences of hundreds of people against Covid-19. Photo: AFP
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