Experimental studies of particle removal and probability of COVID-19 infection in passenger railcarsArticle Published on 2023-01-012023-07-10 Journal: Journal of occupational and environmental hygiene [Category] COVID19(2023년), [키워드] Aerosol removal rate HEPA air purifier HVAC filtration systems public transit. SARS-CoV-2 [DOI] 10.1080/15459624.2022.2137298 PMC 바로가기