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首页> 外文期刊>Building and Environment >A systematic approach to estimating the effectiveness of multi-scale IAQ strategies for reducing the risk of airborne infection of SARS-CoV-2
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A systematic approach to estimating the effectiveness of multi-scale IAQ strategies for reducing the risk of airborne infection of SARS-CoV-2

机译：估算多尺寸IAQ策略的有效性降低SARS-COV-2空气传播感染风险的系统方法

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摘要

The unprecedented coronavirus disease 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has made more than 125 million people infected and more than 2.7 million people dead globally. Airborne transmission has been recognized as one of the major transmission routes for SARS-CoV-2. This paper presents a systematic approach for evaluating the effectiveness of multi-scale IAQ control strategies in mitigating the infection risk in different scenarios. The IAQ control strategies across multiple scales from a whole building to rooms, and to cubical and personal microenvironments and breathing zone, are introduced, including elevated outdoor airflow rates, high-efficiency filters, advanced air distribution strategies, standalone air cleaning technologies, personal ventilation and face masks. The effectiveness of these strategies for reducing the risk of COVID-19 infection are evaluated for specific indoor spaces, including long-term care facility, school and college, meat plant, retail stores, hospital, office, correctional facility, hotel, restaurant, casino and transportation spaces like airplane, cruise ship, subway, bus and taxi, where airborne transmission are more likely to occur due to high occupancy densities. The baseline cases of these spaces are established according to the existing standards, guidelines or practices. Several integrated mitigation strategies are recommended and classified based on their relative cost and effort of implementation for each indoor space. They can be applied to help meet the current challenge of ongoing COVID-19, and provide better preparation for other possible epidemics and pandemics of airborne infectious diseases in the future.
机译：前所未有的冠状病毒疾病2019（Covid-19）由严重急性呼吸综合征冠状病毒2（SARS-COV-2）引起的大流行，使得超过1.25亿人感染，超过270万人死亡。空中传输被认为是SARS-COV-2的主要传输路线之一。本文介绍了评估多尺寸IAQ控制策略在不同情景中减轻感染风险的效力的系统方法。引入了从整个建筑物到房间的多尺度的IAQ控制策略，以及立方体和个人微环境和呼吸区，包括户外气流率升高，高效过滤器，先进的空气分配策略，独立空气清洁技术，个人通风和面部面具。这些策略降低Covid-19感染风险的策略的有效性对于特定的室内空间，包括长期护理设施，学校和学院，肉类，零售店，医院，办公室，惩教设施，酒店，餐厅，赌场和飞机，游轮，地铁，公共汽车和出租车等运输空间，由于高占用密度，空气传输更有可能发生。这些空间的基线案件根据现有的标准，指导方针或实践建立。建议并根据其相对成本和实施每个室内空间实施的相对成本和努力分类了几项综合缓解策略。他们可以应用于帮助符合当前持续的Covid-19挑战，并为未来提供更好的准备其他可能的流行病和气喘的流行病。

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