預防新冠肺炎之室內空調建議與常見問答

陳夙容

《臨床醫學月刊》 88卷3期 (2021/09) Pp. 570-573

https://doi.org/10.6666/ClinMed.202109_88(3).0094

摘要

新型冠狀肺炎病毒（新冠病毒）自2019年底被發現後已造成全球大流行，至今有超過2億人感染、430多萬人死亡。如何將疫情有效控制是目前世界各國急需解決的議題。由於新冠病毒主要是經由飛沫傳染，若能減少空氣中的病毒濃度，將可有效阻止病毒傳播。本文係根據最新的科學研究結果及美國中央疾病管制與預防中心公佈的指引，整理出室內空調的建議，以供醫療院所、學校及民眾參考。

關鍵字

新型冠狀肺炎病毒（severe acute respiratory syndrome coronavirus 2, SARS-CoV-2） ； 傳播（transmission） ； 通風（ventilation） ； 高效能空氣過濾清淨機（high-efficiency particulate air（HEPA）fan/filtration systems）

參考文獻

Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health(NIOSH). Environmental Control for Tuberculosis: Basic Upper-Room Ultraviolet Germicidal Irradiation Guidelines for Healthcare Settings. Centers for Disease Control and prevention.

Lednicky JA, Lauzardo M, Fan ZH, et al. Viable SARS-CoV-2 in the air of a hospital room with COVID-19 patients. Int J Infect Dis 2020;100:476-82.

ISO-Aire Clean Air Technology. What is a MERV Rating and How Does It Compare with HEPAs? What is a MERV air filter rating and how does it compare to a HEPA filter? — ISO-Aire Air Purifiers.

Ventilation in buildings. Centers for Disease Control and prevention. Updated 2021;2.

Centers for Disease Control and prevention. Guidelines for Environmental Infection Control in Health-Care Facilities(2003). Table B.1. ACH and time required for airborne-contaminant removal by efficiency.