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We used a quantitative microbial risk assessment (QMRA) 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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?:doi
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?:doi
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10.1016/j.ajic.2020.11.013
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document_parses/pdf_json/59513830c9f661a27d01d2f4065f882640ec2072.json
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document_parses/pmc_json/PMC7666808.xml.json
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?:title
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Modeling COVID-19 infection risks for a single hand-to-fomite scenario and potential risk reductions offered by surface disinfection
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