在塑料制造工厂爆发SARS-CoV-2疫情
Alice Graham1, Amber I Raja2, Karin van Veldhoven3
1Rapid Investigation Team, Field Services, UK Health Security Agency, Wellington House, London, UK.
BMC public health
|June 5, 2023
概括
在塑料工厂进行的SARS-CoV-2疫情调查显示,由于通风不足和密切的工作接触,传播风险很高. 加强感染控制措施,包括更好的口罩和通风,对于制造环境至关重要.
科学领域:
- 职业健康 职业健康 职业健康
- 传染病流行病学 传染病流行病学
- 环境健康 环境健康
背景情况:
- 在英国的一家塑料制造工厂发生了严重的SARS-CoV-2疫情,导致攻击率为14.3%.
- 疫情突出了工业工作环境中的潜在传播漏洞.
研究的目的:
- 在塑料制造工厂对SARS-CoV-2疫情进行全面调查.
- 确定与工作场所和工人相关的传播途径和风险因素.
主要方法:
- 使用环境评估,表面采样,分子和血清学测试.
- 进行了详细的问卷调查以收集与工人有关的数据并评估风险因素.
- 使用实时二氧化碳监测来评估通风的充分性.
主要成果:
- 技术办公室显示了最高的局部攻击率 (21.4%),频繁出现CO2峰值 (2100ppm).
- 在表面上检测到SARS-CoV-2RNA (Ct ≥35),并注意到高噪音水平 (79dB).
- 工人报告经常有密切接触 (73.1%),分享工具 (75.5%),少使用口罩 (20.0%) 和对工作安全的担忧 (71.0%).
结论:
- 强化了在制造业加强感染控制的需要,包括改进通风和二氧化碳监测.
- 建议进行空气清洁干预和提供优质面罩 (外科,FFP2 / FFP3),当社会距离是不可行的.
- 建议进一步研究工作安全问题对自我隔离遵守和工作场所安全的影响.
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