在英国工作场所爆发环境中检测SARS-CoV-2RNA的表面采样,2021-22年
Ian Nicholls1, Antony Spencer1, Yiqun Chen2
1Research and Evaluation, UK Health Security Agency, Porton Down, Salisbury, SP4 0JG, United Kingdom.
Journal of applied microbiology
|September 24, 2023
概括
环境表面采样显示,工作场所的SARS-CoV-2 RNA水平较低. 虽然虫传播风险似乎很低,但采样发现了COVID-19控制措施中的差距,有助于大流行管理.
科学领域:
- 环境微生物学环境微生物学
- 传染病流行病学 传染病流行病学
- 职业健康 职业健康 职业健康 职业健康
背景情况:
- 工作场所受到SARS-CoV-2的污染是疾病传播的担忧.
- 了解表面污染对于有效的COVID-19控制措施至关重要.
研究的目的:
- 评估工作场所表面的SARS-CoV-2污染情况.
- 为了识别污染趋势,并为COVID-19控制策略提供信息.
主要方法:
- 在12个COVID-19集群的工作场所进行了环境表面采样.
- 使用定量PCR (qPCR) 在收集的样本中检测SARS-CoV-2RNA.
主要成果:
- 7.4%的表面样本检测出SARS-CoV-2RNA的阳性.
- 只有1.8%的样本的交叉值 (Ct) 值低于35.0,表明病毒载量低.
- 没有样本产生全基因组序列,这表明RNA降解.
结论:
- 该研究表明,根据表面RNA水平,在工作场所传播菌的可能性很低.
- 环境采样突出了现有的COVID-19控制措施的缺陷.
- 调查结果提供了有关大流行期间工作场所污染趋势的见解.
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