Lancet:新加坡3组新冠肺炎患者流行病学特征

2020-03-27 MedSci原创 MedSci原创

研究认为,SARS-CoV-2可在社区环境中传播,在武汉交通管制和旅行限制实施之前,部分交往密集地区的病毒输入风险较高,加强监测和接触者追踪可最大限度地减少社区传播风险

2020年2月,新加坡先后报告了3组2019年冠状病毒病(COVID-19)病例,分别与来自中国的旅游团、某公司会议和教会相关。
 
近日,研究人员通过访谈和住院病历收集了经证实的COVID-19患者的流行病学和临床数据,并进行了实地调查,以评估严重急性呼吸综合征冠状病毒2(SARS-COV-2)的相互作用和可能的传播方式,并报告了SARS-CoV-2的中位潜伏期(IQR)。
 
截至2020年2月15日,共确诊36例COVID-19患者, 425名密切接触者被隔离。虽然不能排除间接传播(如通过污染物和共享食物)的可能性,但新发病例与确诊病例之间有直接或长期的密切接触。SARS-CoV-2的中位潜伏期为4天(IQR 3-6)。由一人传至另一人的平均间隔时间为3-8天。
 
研究认为,SARS-CoV-2可在社区环境中传播,在武汉交通管制和旅行限制实施之前,部分交往密集地区的病毒输入风险较高,加强监测和接触者追踪可最大限度地减少社区传播风险。
 
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    2020-06-22 howi
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    2020-03-27 公卫新人

    新冠肺炎,疫情何时才能消失

    0

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