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 Ross4
1Department of Medicine, Division of Nephrology, University of Rochester, Rochester, NY, USA.
medRxiv : the preprint server for health sciences
|September 21, 2023
概括
课堂中的高二氧化碳水平与智力和发育障碍 (IDD) 学生学校的SARS-CoV-2病例增加有关. MERV-13过器可能会降低感染率,强调通风改善.
科学领域:
- 公共卫生 公共卫生
- 环境健康 环境健康
- 传染病流行病学 传染病流行病学
背景情况:
- 智力和发育障碍 (IDD) 的学生面临更高的SARS-CoV-2风险,原因是缓解措施的挑战.
- 课堂通风是一种建议的学校战略,以减轻SARS-CoV-2的传播.
- 这项研究重点是针对IDD学生的专门学校.
研究的目的:
- 检查课堂通风 (每小时的空气交换 - ACH) 和二氧化碳暴露 (≥1,000 ppm) 与SARS-CoV-2发病率之间的相关性.
- 在高风险学生群体中评估通风策略的有效性.
- 为学校确定具体的通风改进措施.
主要方法:
- 一所大学和一所专业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.
- 每个房间收集了SARS-CoV-2病例,并与环境数据相关联.
主要成果:
- 97%的房间的ACH≤4.0;7%的房间每天超过2000ppm二氧化碳,每天长达3小时.
- 在CO2≥1,000ppm的时间和SARS-CoV-2病例 (43%变异) 之间发现了显著的相关性.
- ACH和SARS-CoV-2病例之间没有显著的相关性;MERV-13过器显示减少了阳性PCR计数.
结论:
- 在课堂上升的二氧化碳水平 (≥1,000 ppm) 与IDD学校的SARS-CoV-2病例有显著的相关性.
- MERV-13过器显示出降低SARS-CoV-2发病率的潜力.
- 该伙伴关系确定了改善学校通风系统的关键领域.
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