Duration of SARS-CoV-2 Natural Immunity and Protection against the Delta Variant: A Retrospective Cohort Study.
Priscilla KimSteven M GordonMegan M SheehanMichael B RothbergPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
SARS-CoV-2 infection is highly protective against reinfection with the Delta variant. Immunity from prior infection lasts for at least 13 months. Countries facing vaccine shortages should consider delaying vaccinations for previously infected patients to increase access.
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