Risk of reinfection and severity with the predominant BA.5 Omicron subvariant China, from December 2022 to January 2023.

ABSTRACT: Data on reinfection in large Asian populations are limited. In this study, we aimed to evaluate the reinfection rate, disease severity, and time interval between the infections in the symptomatic and asymptomatic populations which are firstl infected with BA.2 Omicron Variant. We retrospectively included adult patients with COVID-19 discharged from four designated hospitals between 27 April 2021 and 30 November 2022, who were interviewed via telephone from 29 January to 1 March 2023. Univariable and multivariable analyses were used to explore risk factors associated with reinfection. A total of 16,558 patients were followed up, during the telephone survey of an average of 310.0 days, 1610 (9.72%) participants self-reported reinfection. The mean time range of reinfection was 257.9 days. The

SUBMITTER: Cai J 

PROVIDER: S-EPMC10849001 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature