Risk Factors for Reinfection with SARS-CoV-2 Omicron Variant among Previously Infected Frontline Workers.

Emerging infectious diseases（2023）

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摘要

In a cohort of essential workers in the United States previously infected with SARS-CoV-2, risk factors for reinfection included being unvaccinated, infrequent mask use, time since first infection, and being non-Hispanic Black. Protecting workers from reinfection requires a multipronged approach including up-to-date vaccination, mask use as recommended, and reduction in underlying health disparities.

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关键词

COVID-19,SARS-CoV-2,United States,coronaviruses,frontline workers,mRNA vaccines,omicron variant,reinfection,respiratory infection,risk factors,vaccine effectiveness,viruses,zoonoses

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