Zhang Wanying, Wu Xuejie, Zhou Hui, Xu Feng
Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China.
Exp Ther Med. 2021 Feb;21(2):115. doi: 10.3892/etm.2020.9547. Epub 2020 Dec 3.
Since December 2019, the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a global pandemic. At present, confirmed patients are the main source of infection, while a number of studies have indicated that asymptomatic carriers also have the ability to spread the virus. As of September 29, 2020, as the first country to report coronavirus disease 2019 (COVID-19), China has 375 asymptomatic infections according to the National Health Commission of China. Asymptomatic carriers have become the current focus of global epidemic prevention and control efforts. The present review article provides a brief introduction on the clinical characteristics and infectivity of asymptomatic carriers, and makes suggestions for the identification of asymptomatic carriers.
自2019年12月以来，严重急性呼吸综合征冠状病毒2（SARS-CoV-2）的传播已成为全球大流行。目前，确诊患者是主要传染源，而多项研究表明无症状携带者也有传播病毒的能力。截至2020年9月29日，作为首个报告2019冠状病毒病（COVID-19）的国家，根据中国国家卫生健康委员会的数据，中国有375例无症状感染者。无症状携带者已成为当前全球疫情防控工作的重点。本文综述简要介绍了无症状携带者的临床特征和传染性，并对无症状携带者的识别提出建议。
