混合工作时间表是否可以降低感染风险? 来自CO2传感器和建模研究的见解
Yoonhee Jung1, Kyle T Wilson2, Amanda M Wilson1
1Department of Community, Environment & Policy, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA.
混合工作时间表可以通过降低二氧化碳 (CO2) 水平来减少传染病的传播. 混合日的感染风险比在办公室的日少0.06-0.13.
科学领域:
- 环境健康 环境健康
- 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
背景情况:
- 混合工作模式在COVID-19后普遍存在,但它们对传染病传播的影响尚不清楚.
- 评估室内空气质量,特别是二氧化碳 (CO2) 度,可以作为通风和潜在的病原体暴露的代理.
研究的目的:
- 测量和比较二氧化碳度在办公室设置在混合与办公室日期间.
- 用修改后的威尔斯-莱利模型估计混合工作时间表对潜在的COVID-19感染风险的影响.
主要方法:
- 二氧化碳传感器用于监测512平方米办公室的空气质量.
- 办公室占用率数据和二氧化碳测量为Wells-Riley模型提供了信息,以估计各种场景下的感染风险.
- 线性模型评估了占用率,日期类型,季节和二氧化碳水平之间的关联,并根据二氧化碳数据推导出空气汇率 (AER).
主要成果:
- 二氧化碳度在春季和冬季的泊日达到峰值,与较低的估计AER相关.
- 当感染流行率保持不变时,与日相比,混合工作日的估计感染风险在混合工作日下降了6-13% .
- 占用率和日期类型与二氧化碳度显著相关,不依季节 (p<0.001).
结论:
- 初步发现表明,混合工作时间表可能会减少办公环境中的传染病传播.
- 混合工作在降低风险方面的有效性受诸如员工对症状工作和疾病隐行为的行为等因素的影响.
- 需要进一步的研究,以充分阐明工作场所文化对混合工作在疾病预防中的有效性的影响.
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