An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP
An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP

There may be no immunity against Covid-19, new Wuhan study suggests

  • Researchers behind the non-peer-reviewed paper ran antibody tests on samples from hospital workers who were exposed to infected patients at early stage of outbreak
  • Only 4 per cent of 23,000 had antibodies – but they estimated at least 25 per cent could have contracted the disease

Topic |   Coronavirus pandemic
An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP
An electron microscope image shows the coronavirus that causes Covid-19. New research suggests that not everyone infected produces antibodies, or long-lasting ones. Photo: AP
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