These findings come from a study in which more than 12,000 healthcare workers were tested for antibodies to COVID-19 over 30 weeks. Of more than 11,000 participants who entered the study without detectable antibodies, 89 developed an infection with symptoms, but none of the study participants who already had antibodies in their systems developed an infection with symptoms. Study co-leader David Eyre, an Oxford professor, said these findings are good news “because we can be confident that, at least in the short-term, most people who get COVID-19 won’t get it again.” Tests showed that 1,246 workers had already developed antibodies to the virus when the study began in April. Over the trial period, only three of those people tested positive for reinfection, but none developed COVID-19 symptoms.
David W. Eyre et al, “Antibodies to SARS-CoV-2 are associated with protection against reinfection,” medrxiv.org/content/10.1101/2020.11.18.20234369v1, doi: doi.org/10.1101/2020.11.18.20234369
More current health news from this week’s bulletin:
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