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Early SARS-CoV-2 Reinfections within 60 Days and Implications for Retesting Policies
Emerging Infectious Diseases
|June 23, 2022
Abstract:
Illustrated by a clinical case supplemented by epidemiologic data, early reinfections with SARS-CoV-2 Omicron BA.1 after infection with Delta variant, and reinfection with Omicron BA.2 after Omicron BA.1 infection, can occur within 60 days, especially in young, unvaccinated persons. The case definition of reinfection, which influences retesting policies, should be reconsidered.
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