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. 2021 Aug 2;224(3):420-424.
doi: 10.1093/infdis/jiab260.

Comparable Environmental Stability and Disinfection Profiles of the Currently Circulating SARS-CoV-2 Variants of Concern B.1.1.7 and B.1.351

Toni Luise Meister  1 , Jill Fortmann  2 , Daniel Todt  1   3 , Natalie Heinen  1 , Alfred Ludwig  2 , Yannick Brüggemann  1 , Carina Elsner  4 , Ulf Dittmer  4 , Joerg Steinmann  5   6 , Stephanie Pfaender  1 , Eike Steinmann  1
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Comparable Environmental Stability and Disinfection Profiles of the Currently Circulating SARS-CoV-2 Variants of Concern B.1.1.7 and B.1.351

Toni Luise Meister et al. J Infect Dis. .

Abstract

The emergence of novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern with increased transmission dynamics has raised questions regarding stability and disinfection of these viruses. We analyzed surface stability and disinfection of the currently circulating SARS-CoV-2 variants B.1.1.7 and B.1.351 compared to wild type. Treatment with heat, soap, and ethanol revealed similar inactivation profiles indicative of a comparable susceptibility towards disinfection. Furthermore, we observed comparable surface stability on steel, silver, copper, and face masks. Overall, our data support the application of currently recommended hygiene measures to minimize the risk of B.1.1.7 and B.1.351 transmission.

Keywords: SARS-CoV-2; disinfection; stability; variants of concern.

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