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疑/尚无定论 - 新型冠状病毒可以通过空气传播

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较真鉴定: 尚无定论
查证要点:
  • 空气传播指的是飞沫核内存在微生物,这些微生物通常被认为是直径小于5微米的颗粒,可在空气中停留很长一段时间,并跨越1米以上的距离传播给其他人。根据目前的证据,COVID-19病毒主要通过呼吸道飞沫和接触途径在人与人之间传播。在对中国75465例COVID-19病例的分析中,没有关于空气传播的报告。
  • 一些科学出版物提供了关于COVID-19病毒是否能在空气中被检测到的初步证据,需要审慎解读这些初步发现。根据现有证据,世卫组织继续为护理COVID-19患者的人员推荐飞沫和接触预防措施。根据风险评估,世卫组织继续为实施产生气溶胶的程序和支持性治疗的情况和环境推荐空气传播预防措施。
查证者:世界卫生组织联合国系统内卫生问题的指导和协调机构

参考文献
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  • Zhang Y, Chen C, Zhu S et al. [Isolation of 2019-nCoV from a stool specimen of a laboratory-confirmed case of the coronavirus disease 2019 (COVID-19)]. China CDC Weekly. 2020;2(8):123–4. (In Chinese)
  • van Doremalen N, Morris D, Bushmaker T et al. Aerosol and Surface Stability of SARS-CoV-2 as compared with SARS-CoV-1. New Engl J Med 2020 doi: 10.1056/NEJMc2004973
  • Cheng V, Wong S-C, Chen J, Yip C, Chuang V, Tsang O, et al. Escalating infection control response to the rapidly evolving epidemiology of the Coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in Hong Kong. Infect Control Hosp Epidemiol. 2020 Mar 5 [Epub ahead of print].
  • Ong SW, Tan YK, Chia PY, Lee TH, Ng OT, Wong MS, et al. Air, surface environmental, and personal protective equipment contamination by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from a symptomatic patient. JAMA. 2020
  • WHO Infection Prevention and Control Guidance for COVID-19 available at https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/infection-prevention-and-control
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