The role of SARS-CoV-2 antibodies in protection against reinfection
A large, national, multicentre prospective cohort study of hospital healthcare workers in the UK (The SARS-CoV-2 Immunity and Reinfection Evaluation, SIREN) reports, in an interim analysis published in The Lancet, that participants who previously had SARS-CoV-2 antibodies had an 84% lower risk of (re)infection.