Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA
Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA

Coronavirus: low antibody levels raise questions about reinfection risk

  • Scientists in Shanghai say some recovered patients show no signs of the neutralising proteins
  • Early-stage findings could have implications for vaccine development and herd immunity, they say

Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA
Researchers in Shanghai found low levels of coronavirus antibodies in some people who had recently recovered from Covid-19. Photo: DPA
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