Longitudinal Monitoring of SARS-CoV‑2 RNA on High-Touch Surfaces in a Community Setting
Environmental surveillance of surface contamination is an unexplored tool for understanding transmission of SARS-CoV-2 in community settings. We conducted longitudinal swab sampling of high-touch non-porous surfaces in a Massachusetts town during a COVID-19 outbreak from April to June 2020. Twenty-n...
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| Veröffentlicht in: | Environmental science & technology letters 2021-02, Vol.8 (2), p.168-175 |
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| creator | Harvey, Abigail P Fuhrmeister, Erica R Cantrell, Molly E Pitol, Ana K Swarthout, Jenna M Powers, Julie E Nadimpalli, Maya L Julian, Timothy R Pickering, Amy J |
| description | Environmental surveillance of surface contamination is an unexplored tool for understanding transmission of SARS-CoV-2 in community settings. We conducted longitudinal swab sampling of high-touch non-porous surfaces in a Massachusetts town during a COVID-19 outbreak from April to June 2020. Twenty-nine of 348 (8.3%) surface samples were positive for SARS-CoV-2 RNA, including crosswalk buttons, trash can handles, and door handles of essential business entrances (grocery store, liquor store, bank, and gas station). The estimated risk of infection from touching a contaminated surface was low (less than 5 in 10,000) by quantitative microbial risk assessment, suggesting fomites play a minimal role in SARS-CoV-2 community transmission. The weekly percentage of positive samples (out of n = 33 unique surfaces per week) best predicted variation in city-level COVID-19 cases with a 7-day lead time. Environmental surveillance of SARS-CoV-2 RNA on high-touch surfaces may be a useful tool to provide early warning of COVID-19 case trends. |
| doi_str_mv | 10.1021/acs.estlett.0c00875 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 2328-8930 |
| ispartof | Environmental science & technology letters, 2021-02, Vol.8 (2), p.168-175 |
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| language | eng |
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| source | ACS Publications |
| subjects | Ecotoxicology and Public Health |
| title | Longitudinal Monitoring of SARS-CoV‑2 RNA on High-Touch Surfaces in a Community Setting |
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