Applying a Risk-Risk Tradeoff Economics Approach to the Occupational Health of Nurses: Economic and Microbial Risk Analysis.

Authors

Irene Mussio, Susan Chilton, Denise A Kent, Lynn B Gerald, Amanda M Wilson

Published in

Risk analysis : an official publication of the Society for Risk Analysis. Oct 23, 2025. Epub Oct 23, 2025.

Abstract

Public health challenges are increasingly complex, and interventions reducing the risk of one health outcome may increase the risk of another. We focus on the increased risk of occupational asthma (OA) for nurses and the decreased risk of occupational infections from contaminated surfaces from intensifying cleaning and disinfection protocols (i.e., during the COVID-19 pandemic). A risk-risk trade-off approach allows for the calculation of tolerable risks. We then determine, through a quantitative microbial risk assessment, critical concentrations of SARS-CoV-2 hygiene standards for surfaces that would achieve those tolerance levels. We find that, on average, in three out of our four scenarios, nurses prefer contracting a respiratory viral illness over OA around 80% of the time. Knowing another person who has contracted a respiratory viral infection (RVI) is negatively related to increasing respiratory viral infection risk. Critical concentrations were <0.01 viral particles/cm², implying frequent monitoring of viral concentrations on surfaces is needed to ensure risk targets are achieved. When applied to occupational health trade-offs for nurses engaging in cleaning and disinfection, we show that high environmental hygiene standards are needed.

PMID:
41131444
Bibliographic data and abstract were imported from PubMed on 24 Oct 2025.

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