SARS-CoV-2 virus transfers to skin through contact with contaminated solids

Abstract Transfer of SARS-CoV-2 from solids to fingers is one step in infection via contaminated solids, and the possibility of infection from this route has driven calls for increased frequency of handwashing during the COVID-19 pandemic. To analyze this route of infection, we measured the percenta...

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Autores principales:	Saeed Behzadinasab, Alex W. H. Chin, Mohsen Hosseini, Leo L. M. Poon, William A. Ducker
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/843d7214e9174a73b577dc8c3e5e2a09
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spelling	oai:doaj.org-article:843d7214e9174a73b577dc8c3e5e2a092021-11-28T12:17:17ZSARS-CoV-2 virus transfers to skin through contact with contaminated solids10.1038/s41598-021-00843-02045-2322https://doaj.org/article/843d7214e9174a73b577dc8c3e5e2a092021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00843-0https://doaj.org/toc/2045-2322Abstract Transfer of SARS-CoV-2 from solids to fingers is one step in infection via contaminated solids, and the possibility of infection from this route has driven calls for increased frequency of handwashing during the COVID-19 pandemic. To analyze this route of infection, we measured the percentage of SARS-CoV-2 that was transferred from a solid to an artificial finger. A droplet of SARS-CoV-2 suspension (1 µL) was placed on a solid, and then artificial skin was briefly pressed against the solid with a light force (3 N). Transfer from a variety of solids was detected, and transfer from the non-porous solids, glass, stainless steel, and Teflon, was substantial when the droplet was still wet. The viral titer for the finger was 13–16% or 0.8–0.9 log less than for the input droplet. Transfer still occurred after the droplet evaporated, but was smaller, 3–9%. We found a lower level of transfer from porous solids but did not find a significant effect of solid wettability for non-porous solids.Saeed BehzadinasabAlex W. H. ChinMohsen HosseiniLeo L. M. PoonWilliam A. DuckerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Saeed Behzadinasab Alex W. H. Chin Mohsen Hosseini Leo L. M. Poon William A. Ducker SARS-CoV-2 virus transfers to skin through contact with contaminated solids
description	Abstract Transfer of SARS-CoV-2 from solids to fingers is one step in infection via contaminated solids, and the possibility of infection from this route has driven calls for increased frequency of handwashing during the COVID-19 pandemic. To analyze this route of infection, we measured the percentage of SARS-CoV-2 that was transferred from a solid to an artificial finger. A droplet of SARS-CoV-2 suspension (1 µL) was placed on a solid, and then artificial skin was briefly pressed against the solid with a light force (3 N). Transfer from a variety of solids was detected, and transfer from the non-porous solids, glass, stainless steel, and Teflon, was substantial when the droplet was still wet. The viral titer for the finger was 13–16% or 0.8–0.9 log less than for the input droplet. Transfer still occurred after the droplet evaporated, but was smaller, 3–9%. We found a lower level of transfer from porous solids but did not find a significant effect of solid wettability for non-porous solids.
format	article
author	Saeed Behzadinasab Alex W. H. Chin Mohsen Hosseini Leo L. M. Poon William A. Ducker
author_facet	Saeed Behzadinasab Alex W. H. Chin Mohsen Hosseini Leo L. M. Poon William A. Ducker
author_sort	Saeed Behzadinasab
title	SARS-CoV-2 virus transfers to skin through contact with contaminated solids
title_short	SARS-CoV-2 virus transfers to skin through contact with contaminated solids
title_full	SARS-CoV-2 virus transfers to skin through contact with contaminated solids
title_fullStr	SARS-CoV-2 virus transfers to skin through contact with contaminated solids
title_full_unstemmed	SARS-CoV-2 virus transfers to skin through contact with contaminated solids
title_sort	sars-cov-2 virus transfers to skin through contact with contaminated solids
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/843d7214e9174a73b577dc8c3e5e2a09
work_keys_str_mv	AT saeedbehzadinasab sarscov2virustransferstoskinthroughcontactwithcontaminatedsolids AT alexwhchin sarscov2virustransferstoskinthroughcontactwithcontaminatedsolids AT mohsenhosseini sarscov2virustransferstoskinthroughcontactwithcontaminatedsolids AT leolmpoon sarscov2virustransferstoskinthroughcontactwithcontaminatedsolids AT williamaducker sarscov2virustransferstoskinthroughcontactwithcontaminatedsolids
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SARS-CoV-2 virus transfers to skin through contact with contaminated solids

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