Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico

Background This study evaluated the impact of vaccination strategies using an adapted COVID-19 vaccine in Mexico.Research design and methods This study used a previously published combined Markov-decision tree model adapted for the Mexican context. The base case examined the population aged ≥ 65 yea...

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Main Authors: Carlos Fernando Mendoza, Jose Luis Huerta, Iustina Chirila, Dania Abreu, Moe H. Kyaw, Benjamin Yarnoff
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Expert Review of Vaccines
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Online Access:https://www.tandfonline.com/doi/10.1080/14760584.2025.2505087
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author Carlos Fernando Mendoza
Jose Luis Huerta
Iustina Chirila
Dania Abreu
Moe H. Kyaw
Benjamin Yarnoff
author_facet Carlos Fernando Mendoza
Jose Luis Huerta
Iustina Chirila
Dania Abreu
Moe H. Kyaw
Benjamin Yarnoff
author_sort Carlos Fernando Mendoza
collection DOAJ
description Background This study evaluated the impact of vaccination strategies using an adapted COVID-19 vaccine in Mexico.Research design and methods This study used a previously published combined Markov-decision tree model adapted for the Mexican context. The base case examined the population aged ≥ 65 years and the high-risk population (defined as those with one or more comorbidities associated with high risk of severe disease) aged 12–64 years. Scenario analyses examined lower age cutoffs for eligibility in the standard risk population (≥50 years, ≥18 years, and ≥12 years). Sensitivity analyses varying the parameters by ± 20% was conducted to assess uncertainty.Results Compared to no vaccination, the base case was estimated to prevent 1,509,194 cases, 132,166 hospitalizations 24,575 deaths, and 276,223 lost quality-adjusted life-years (QALYs), increasing direct costs by $602,446,820 and decreasing societal cost by $2,264,266,271. The ICER was dominant from the societal perspective and $2,181 from the payer perspective, which was cost-effective at a willingness-to-pay threshold of 1× GDP per capita ($11,812). The benefits were further increased in scenarios expanding vaccination to additional age groups.Conclusions Vaccination strategies targeting a broader age range with an adapted vaccine would result in considerable health and economic benefits and be cost-effective in Mexico.
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spelling doaj-art-87f74be65c96430caa20c05d797df4d02025-08-20T02:30:54ZengTaylor & Francis GroupExpert Review of Vaccines1476-05841744-83952025-12-0124139340210.1080/14760584.2025.2505087Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in MexicoCarlos Fernando Mendoza0Jose Luis Huerta1Iustina Chirila2Dania Abreu3Moe H. Kyaw4Benjamin Yarnoff5Pfizer, Mexico City, MexicoPfizer Mexico, Mexico City, MexicoPfizer, Tadworth, UKPfizer Mexico, Mexico City, MexicoPfizer, New York, NY, USAModeling and Simulation, Evidera Inc, Wilmington, NC, USABackground This study evaluated the impact of vaccination strategies using an adapted COVID-19 vaccine in Mexico.Research design and methods This study used a previously published combined Markov-decision tree model adapted for the Mexican context. The base case examined the population aged ≥ 65 years and the high-risk population (defined as those with one or more comorbidities associated with high risk of severe disease) aged 12–64 years. Scenario analyses examined lower age cutoffs for eligibility in the standard risk population (≥50 years, ≥18 years, and ≥12 years). Sensitivity analyses varying the parameters by ± 20% was conducted to assess uncertainty.Results Compared to no vaccination, the base case was estimated to prevent 1,509,194 cases, 132,166 hospitalizations 24,575 deaths, and 276,223 lost quality-adjusted life-years (QALYs), increasing direct costs by $602,446,820 and decreasing societal cost by $2,264,266,271. The ICER was dominant from the societal perspective and $2,181 from the payer perspective, which was cost-effective at a willingness-to-pay threshold of 1× GDP per capita ($11,812). The benefits were further increased in scenarios expanding vaccination to additional age groups.Conclusions Vaccination strategies targeting a broader age range with an adapted vaccine would result in considerable health and economic benefits and be cost-effective in Mexico.https://www.tandfonline.com/doi/10.1080/14760584.2025.2505087Adapted vaccineMexicoCOVID-19SARS-CoV-2cost-effectiveness analysis
spellingShingle Carlos Fernando Mendoza
Jose Luis Huerta
Iustina Chirila
Dania Abreu
Moe H. Kyaw
Benjamin Yarnoff
Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
Expert Review of Vaccines
Adapted vaccine
Mexico
COVID-19
SARS-CoV-2
cost-effectiveness analysis
title Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
title_full Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
title_fullStr Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
title_full_unstemmed Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
title_short Modeling the potential public health and economic impact and cost-effectiveness of vaccination strategies using an adapted COVID-19 vaccine in Mexico
title_sort modeling the potential public health and economic impact and cost effectiveness of vaccination strategies using an adapted covid 19 vaccine in mexico
topic Adapted vaccine
Mexico
COVID-19
SARS-CoV-2
cost-effectiveness analysis
url https://www.tandfonline.com/doi/10.1080/14760584.2025.2505087
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