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2019年12月湖北省武汉市出现新型冠状病毒肺炎疫情，随着研究的深入，发现了新型冠状病毒肺炎无症状感染者。本文通过梳理无症状感染者的发现过程，分析其转归及传播风险，提出现阶段针对无症状感染者防控存在的问题和建议。“,”COVID-19 had caused the epidemic in Wuhan of China in December 2019. The asymptomatic infection of COVID-19 was found with the further research. This paper summarizes the discovery of the asymptomatic infection cases, analyzes their outcomes and transmission risks, and put forward the targeted suggestions for the prevention and control of asymptomatic infection of COVID-19 according to the existing problems in epidemic response.