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MedRxiv: 新冠病毒可通过眼结膜传播?武大人民医院全新临床研究:无证据

2020-02-16 生物技术君 中国生物技术网

近日,发表在预印本网站medRxiv(未经同行评议)的一篇论文中,来自武汉大学人民医院陈长征团队的回顾性队列研究表明,新型冠状病毒(SARS-CoV-2)经结膜传播的途径没有得数据支持。

新型冠状病毒肺炎(COVID-19)疫情暴发以来,学术界对其飞沫、接触、气溶胶和粪口等传播途径高度关注,“能否感染结膜”也一度引发热议。因此,了解这一传播途径对疫情控制和公共卫生具有重大影响。

近日,发表在预印本网站medRxiv(未经同行评议)的一篇论文中,来自武汉大学人民医院陈长征团队的回顾性队列研究表明,新型冠状病毒(SARS-CoV-2)经结膜传播的途径没有得数据支持。



该研究收集了2020年1月17至28日期间确诊或疑似COVID-19病例67人,这些病例多数是医护人员,包括男性25名、女性42名,中位年龄35.7岁。研究人员采集鼻咽和结膜拭子进行实时RT-PCR检测SARS-CoV-2。

结果发现,63名患者被确认为实验室确诊的COVID-19病例,其余4名为疑似病例。一名患者的结膜拭子样本PCR结果为阳性,两名患者的结膜拭子样本PCR结果可能为阳性,但这三但名患者都没有眼部症状。仅有的一例以结膜炎为首发症状的COVID-19患者结膜囊SARS-CoV-2试验为阴性。四名疑似病例的结膜拭子样本也均为阴性。

该团队得出结论:SARS-CoV-2可以在COVID-19患者的结膜囊中检测到。通过临床分析,经结膜途径的病毒传播没有得到数据的支持。良好的临床防护可有效阻断传播途径。

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    2020-02-16 公卫新人

    新冠肺炎,疫情何时才能消失

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