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- Title
Detection of SARS-CoV-2 in high-efficiency particulate air (HEPA) filters of low-cost air purifiers in community-based organizations.
- Authors
Clarke, Rachel D.; Garba, Nana Aisha; Barbieri, Manuel A.; Acuna, Leonardo; Baum, Marianna; Rodriguez, Maribel Saad; Frias, Hansel; Saldarriaga, Paulina; Stefano, Troy; Mathee, Kalai; Narasimhan, Giri; R. Brown, David
- Abstract
This study aims to investigate the presence of SARS-CoV-2 in public spaces and assess the utility of inexpensive air purifiers equipped with high-efficiency particulate air (HEPA) filters for viral detection. Samples were collected from six community-based organizations in underserved minority neighborhoods in Northwest Miami, Florida, from February to May 2022. Reverse transcription–quantitative polymerase chain reaction (RT-qPCR) was used to detect SARS-CoV-2 in air purifier filters and surface swabs. Among 32 filters tested, three yielded positive results, while no positive surface swabs were found. Notably, positive samples were obtained exclusively from child daycare centers. These findings highlight the potential for airborne transmission of SARS-CoV-2 in indoor air, particularly in child daycare centers. Moreover, the study demonstrates the effectiveness of readily available HEPA filters in detecting the virus. Improving indoor ventilation and implementing air filtration systems are crucial in reducing COVID-19 transmission where people gather. Air filtration systems incorporating HEPA filters offer a valuable approach to virus detection and reducing transmission risks. Future research should explore the applicability of this technology for early identification and mitigation of viral outbreaks.
- Publication
Environmental Monitoring & Assessment, 2023, Vol 195, Issue 11, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-023-11950-y