在来自COVID-19患者的咳气溶中检测到活跃的SARS-CoV-2
Nuno Rufino de Sousa1, Lucille Margerie1, Laura Steponaviciute1
1Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden.
Infectious diseases (London, England)
|July 8, 2024
概括
传染性SARS-CoV-2 (严重急性呼吸系统综合征冠状病毒2) 在来自COVID-19患者的咳气溶液中被检测到. 这一发现突显了通过咳传播病毒的空气传播风险.
科学领域:
- 环境微生物学环境微生物学
- 病毒学 病毒学
- 公共卫生 公共卫生
背景情况:
- 严重急性呼吸道综合征冠状病毒2 (SARS-CoV-2) 是一种空气传播的病原体.
- 有限的研究存在于检测空气中的传染性SARS-CoV-2及其通过人类呼气动作传播到环境中的传播.
研究的目的:
- 在COVID-19患者的咳中调查SARS-CoV-2的存在.
- 评估患者周围环境中的病毒污染情况.
主要方法:
- 在咳气溶中使用PCR,培养和成像检测SARS-CoV-2.
- 咳中的病毒检测与患者房间中的空气和表面污染的比较.
主要成果:
- 在22名患者中的16名咳气溶液中检测到SARS-CoV-2RNA.
- 传染性病毒 (活跃的SARS-CoV-2) 从11名患者中分离出来.
- 病毒被检测到室内空气和在高接触和非接触表面.
结论:
- COVID-19患者的咳可以将传染性SARS-CoV-2释放到空气中.
- 从患者的咳中吸入空气传播的SARS-CoV-2具有显著的传播风险.
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