（图源：视觉中国） Asymptomatic COVID-19 patients refer to those who do not show any symptoms, including fever and cough, but their tests for the novel coronavirus are positive.新冠肺炎“无症状感染者”指没有发烧和咳嗽等症状，但是新冠病毒检测为阳性的人。 Asymptomatic patients are not categorized as confirmed cases, because only those showing symptoms can be labeled as confirmed cases, according to the latest version of the COVID-19 diagnosis and treatment guidelines released by the National Health Commission.根据国家卫健委发布的最新版新冠肺炎诊疗方案，“无症状感染者”不能算确诊病例，只有出现症状的感染者才能被纳入确诊病例。 Asymptomatic patients could infect others, but are not the major source of the spread of novel coronavirus, according to the World Health Organization.世界卫生组织表示，“无症状感染者”会感染他人，但不是新冠病毒的主要传染源。
相关词汇 病毒携带者 virus carrier无症状携带者 asymptomatic carrier超级传播者 super spreader治愈率 recovery rate传染性 transmissibility; infectivity致病性 pathogenicity输入病例 imported cases出入境防疫 epidemic prevention at borders防范疫情跨境传播 curb the cross-border spread of the epidemic 来源：网络