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Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting.
Int J Environ Res Public Health. 2020 12 26; 18(1)IJ

Abstract

Fomite-mediated transmission has been identified as a possible route for the spread of COVID-19 disease caused by SARS-CoV-2. In healthcare settings, environmental contamination by SARS-CoV-2 has been found in patients' rooms and toilets. Here, we investigated environmental presence of SARS-CoV-2 in non-healthcare settings and assessed the efficacy of cleaning and disinfection in removing virus contamination. A total of 428 environmental swabs and six air samples was taken from accommodation rooms, toilets and elevators that have been used by COVID-19 cases. By using a reverse transcription polymerase chain reaction assay, we detected two SARS-CoV-2 RNA positive samples in a room where a COVID-19 patient stayed prior to diagnosis. The present study highlights the risk of fomite-mediated transmission in non-healthcare settings and the importance of surface disinfection in spaces occupied by cases. Of note, neither air-borne transmission nor surface contamination of elevators, which were transiently exposed to infected individuals, was evident among samples analyzed.

Authors+Show Affiliations

Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore.Environmental Health Institute, National Environmental Agency, 11, Biopolis Way, Helios Block, #06-05/08, Singapore 138667, Singapore. School of Biological Sciences, Nanyang Technological University, 60, Nanyang Drive, Singapore 637551, Singapore.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

33375308

Citation

Wong, Judith Chui Ching, et al. "Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting." International Journal of Environmental Research and Public Health, vol. 18, no. 1, 2020.
Wong JCC, Hapuarachchi HC, Arivalan S, et al. Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting. Int J Environ Res Public Health. 2020;18(1).
Wong, J. C. C., Hapuarachchi, H. C., Arivalan, S., Tien, W. P., Koo, C., Mailepessov, D., Kong, M., Nazeem, M., Lim, M., & Ng, L. C. (2020). Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting. International Journal of Environmental Research and Public Health, 18(1). https://doi.org/10.3390/ijerph18010117
Wong JCC, et al. Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting. Int J Environ Res Public Health. 2020 12 26;18(1) PubMed PMID: 33375308.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Environmental Contamination of SARS-CoV-2 in a Non-Healthcare Setting. AU - Wong,Judith Chui Ching, AU - Hapuarachchi,Hapuarachchige Chanditha, AU - Arivalan,Sathish, AU - Tien,Wei Ping, AU - Koo,Carmen, AU - Mailepessov,Diyar, AU - Kong,Marcella, AU - Nazeem,Mohammad, AU - Lim,Merrill, AU - Ng,Lee Ching, Y1 - 2020/12/26/ PY - 2020/11/14/received PY - 2020/12/21/revised PY - 2020/12/23/accepted PY - 2020/12/30/entrez PY - 2020/12/31/pubmed PY - 2021/1/6/medline KW - COVID-19 KW - SARS-CoV-2 KW - environment KW - fomite KW - polymerase chain reaction KW - surface contamination KW - transmission JF - International journal of environmental research and public health JO - Int J Environ Res Public Health VL - 18 IS - 1 N2 - Fomite-mediated transmission has been identified as a possible route for the spread of COVID-19 disease caused by SARS-CoV-2. In healthcare settings, environmental contamination by SARS-CoV-2 has been found in patients' rooms and toilets. Here, we investigated environmental presence of SARS-CoV-2 in non-healthcare settings and assessed the efficacy of cleaning and disinfection in removing virus contamination. A total of 428 environmental swabs and six air samples was taken from accommodation rooms, toilets and elevators that have been used by COVID-19 cases. By using a reverse transcription polymerase chain reaction assay, we detected two SARS-CoV-2 RNA positive samples in a room where a COVID-19 patient stayed prior to diagnosis. The present study highlights the risk of fomite-mediated transmission in non-healthcare settings and the importance of surface disinfection in spaces occupied by cases. Of note, neither air-borne transmission nor surface contamination of elevators, which were transiently exposed to infected individuals, was evident among samples analyzed. SN - 1660-4601 UR - https://www.unboundmedicine.com/medline/citation/33375308/Environmental_Contamination_of_SARS_CoV_2_in_a_Non_Healthcare_Setting_ L2 - https://www.mdpi.com/resolver?pii=ijerph18010117 DB - PRIME DP - Unbound Medicine ER -