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Exploring indoor and outdoor dust as a potential tool for detection and monitoring of COVID-19 transmission

Anupong, Suparinthon; Chadsuthi, Sudarat; Hongsing, Parichart; Hurst, Cameron; Phattharapornjaroen, Phatthranit; Hosseini Rad S.M., Ali; Fernandez, Stefan; Huang, Angkana T.; Vatanaprasan, Porames; Saethang, Thammakorn; Luk-in, Sirirat; Storer, Robin James; Ounjai, Puey; Devanga Ragupathi, Naveen Kumar; Kanthawee, Phitsanuruk; Ngamwongsatit, Natharin; Badavath, Vishnu Nayak; Thuptimdang, Wanwara; Leelahavanichkul, Asada; Kanjanabuch, Talerngsak; Miyanaga, Kazuhiko; Cui, Longzhu; Nanbo, Asuka; Shibuya, Kenji; Kupwiwat, Rosalyn; Sano, Daisuke; Furukawa, Takashi; Sei, Kazunari; Higgins, Paul G.; Kicic, Anthony; Singer, Andrew C. ORCID: https://orcid.org/0000-0003-4705-6063; Chatsuwan, Tanittha; Trowsdale, Sam; Abe, Shuichi; Ishikawa, Hitoshi; Amarasiri, Mohan; Modchang, Charin; Wannigama, Dhammika Leshan. 2024 Exploring indoor and outdoor dust as a potential tool for detection and monitoring of COVID-19 transmission. iScience, 109043. https://doi.org/10.1016/j.isci.2024.109043

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Abstract/Summary

This study investigated the potential of using SARS-CoV-2 viral concentrations in dust as an additional surveillance tool for early detection and monitoring of COVID-19 transmission. Dust samples were collected from 8 public locations in 16 districts of Bangkok, Thailand, from June to August 2021. SARS-CoV-2 RNA concentrations in dust were quantified, and their correlation with community case incidence was assessed. Our findings revealed a positive correlation between viral concentrations detected in dust and the relative risk of COVID-19. The highest risk was observed with no delay (0-day lag), and this risk gradually decreased as the lag time increased. We observed an overall decline in viral concentrations in public places during lockdown, closely associated with reduced human mobility. The effective reproduction number for COVID-19 transmission remained above one throughout the study period, suggesting that transmission may persist in locations beyond public areas even after the lockdown measures were in place.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1016/j.isci.2024.109043
UKCEH and CEH Sections/Science Areas: Pollution (Science Area 2017-)
ISSN: 2589-0042
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
NORA Subject Terms: Health
Biology and Microbiology
Related URLs:
Date made live: 02 Feb 2024 12:09 +0 (UTC)
URI: https://nora.nerc.ac.uk/id/eprint/536836

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