Modeling COVID-19 infection risks for a single hand-to-fomite scenario and potential risk reductions offered by surface disinfection

We used a quantitative microbial risk assessment approach to relate log(10) disinfection reductions of SARS-CoV-2 bioburden to COVID-19 infection risks. Under low viral bioburden, minimal log(10) reductions may be needed to reduce infection risks for a single hand-to-fomite touch to levels lower tha...

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Detalles Bibliográficos
Autores principales: Wilson, Amanda M., Weir, Mark H., Bloomfield, Sally F., Scott, Elizabeth A., Reynolds, Kelly A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. 2021
Materias:
Brief Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7666808/
https://www.ncbi.nlm.nih.gov/pubmed/33207258
http://dx.doi.org/10.1016/j.ajic.2020.11.013
Descripción
Sumario:We used a quantitative microbial risk assessment approach to relate log(10) disinfection reductions of SARS-CoV-2 bioburden to COVID-19 infection risks. Under low viral bioburden, minimal log(10) reductions may be needed to reduce infection risks for a single hand-to-fomite touch to levels lower than 1:1,000,000, as a risk comparison point. For higher viral bioburden conditions, log(10) reductions of more than 2 may be needed to achieve median infection risks of less than 1:1,000,000.

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