Early Warning Surveillance for SARS-CoV-2 Omicron Variants, United Kingdom, November 2021-September 2022.

Emerging infectious diseases（2022）

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摘要

Since June 2020, the SARS-CoV-2 Immunity and Reinfection Evaluation (SIREN) study has conducted routine PCR testing in UK healthcare workers and sequenced PCR-positive samples. SIREN detected increases in infections and reinfections and delected Omicron subvariant waves emergence contemporaneous with national surveillance. SIREN's sentinel surveillance methods can be used for variant surveillance.

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关键词

BA.1,BA.2,BA.4,BA.5,COVID-19,Omicron variant,SARS,SARS-CoV-2,SIREN study,United Kingdom,coronavirus,coronavirus disease,respiratory infections,severe acute respiratory syndrome coronavirus 2,viruses,zoonoses

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