1162 A healthcare worker holds a bottle of the Pfizer/BioNtech COVID-19 vaccine at Notre Dame home care, as the coronavirus disease outbreak continues in Brussels, on December 28, 2020. Reuters
London, December 28
Scientists have found evidence of protective immunity against COVID-19 in people up to four months after mild or asymptomatic coronavirus infection, providing hope for the long-lasting efficacy of vaccines.
The researcher, including those from Queen Mary University of London analysed antibody and T cell responses in 136 healthcare workers in the UK, who had mild or asymptomatic COVID-19 infection dating back to March.
The study, published in the journal Science Immunology, found that 89 per cent of healthcare workers analysed carried neutralising antibodies 16-18 weeks after infection.
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