Dynamics of disease characteristics and viral RNA decay in patients with asymptomatic and mild infections during the Omicron wave in Shanghai, China: A retrospective cohort study.

Wen Kang,Peng Yang,Bianli Dang, Wenjing Zhang,Yi Gang,Wei Wang,Chunyan Ma,Yanyan Zhao,Ying Zhang,Chunqiu Hao, Huiqin Quan,Jing Li, Jiaojiao Cao, Wenzhen Kang,Lei Shang

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases（2023）

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摘要

A large proportion of initially diagnosed asymptomatic Omicron infections is in the presymptomatic stage. The Omicron infection has a much shorter incubation period and VST than previous variants. The infectivity of asymptomatic infections and mildly symptomatic infections with Omicron is similar.

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关键词

Asymptomatic infection,Cycle threshold values,Mildly symptomatic infection,Omicron,Viral RNA shedding time

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