Joint economic and epidemiological modelling of alternative pandemic response strategies.

Authors

Michael John Plank, Megan Sushames, Timothy Fisher-Taylor, Amin Afshari, Robin N Thompson, Amy Hurford, Shaun Hendy

Published in

Journal of the Royal Society, Interface. Volume 23. Issue 241. Aug 19, 2026.

Abstract

In an emerging pandemic, policymakers need to make decisions with limited information and require trade-offs between the health impact of the pandemic and the economic costs of the response. Most mathematical models have focused on direct health impacts, neglecting the economic costs of control measures. Here, we introduce a framework that captures both health and economic costs and compare the expected aggregate costs of alternative strategies across a range of epidemiological and economic parameters. We find that for diseases with low severity, mitigation tends to be the most cost-effective option. For more severe diseases, suppression tends to be most cost-effective if the basic reproduction number R0 is relatively low, while elimination tends to be more cost-effective if R0 is high. We use the example of New Zealand's response to the COVID-19 pandemic in 2020 to anchor our framework to a real-world case study. We find that parameter estimates for COVID-19 in New Zealand put it close to or above the threshold at which elimination becomes more cost-effective than mitigation. We conclude that our proposed framework holds promise as a decision-support tool for pandemic threats, with further work needed to account for population heterogeneity and other factors relevant to decision-making.

PMID:
42613044
Bibliographic data and abstract were imported from PubMed on 19 Aug 2026.

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