在智力和发育障碍 (IDD) 学生学校的COVID-19期间的通风
Martin S Zand1,2,3, Samantha Spallina4, Alexis Ross5
1Department of Medicine, Division of Nephrology, University of Rochester, Rochester, NY, United States of America.
PloS one
|April 3, 2024
概括
课堂中的高二氧化碳水平与智力和发育障碍学生学校的SARS-CoV-2病例增加有关. 使用MERV-13过器升级通风可以降低感染率.
科学领域:
- 环境健康 环境健康
- 传染病流行病学 传染病流行病学
- 公共卫生 公共卫生
背景情况:
- 智力和发育障碍 (IDD) 的学生面临更高的SARS-CoV-2感染的风险,原因是缓解措施的挑战.
- 课堂通风是减少学校呼吸道感染传播的关键策略.
- 这项研究调查了在专门的IDD学校中通风,二氧化碳水平和SARS-CoV-2发病率之间的联系.
研究的目的:
- 检查课堂每小时空气交换量 (ACH) 和二氧化碳度 (≥1,000 ppm) 与SARS-CoV-2发病率之间的相关性.
- 评估通风策略在降低高风险学生群体中SARS-CoV-2传播的有效性.
- 确定改善室内空气质量和减轻感染风险的具体领域.
主要方法:
- 一所大学和一所针对IDD学生的学校之间建立了一个社区参与的研究伙伴关系.
- 环境二氧化碳水平和每小时的空气变化 (ACH) 在20个月内在100个学校房间测量.
- 收集和分析了与房间占用率和通风指标相关的SARS-CoV-2 PCR病例数据.
主要成果:
- 97%的房间通风不足 (ACH ≤4.0),7%的房间在长时间内超过2000ppm CO2.
- 在二氧化碳≥1,000ppm的房间和正常化的SARS-CoV-2病例 (解释43%的变异) 之间发现了显著的相关性.
- 带有MERV-13过器的房间显示了较低的SARS-CoV-2 PCR计数,这表明空气过效率有所改善.
结论:
- 课堂中二氧化碳水平升高与IDD学校的SARS-CoV-2病例增加有显著的关联.
- 在减少SARS-CoV-2发病率方面,MERV-13过器显示出有前途,突出显示了空气过的重要性.
- 该研究确定了加强学校通风系统的关键需求,以保护弱势学生群体.
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