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Value Health Reg Issues. 2019 Apr 8;20:60-65. doi: 10.1016/j.vhri.2019.01.004. [Epub ahead of print]

The Public Health Benefits and Economic Value of Routine Yellow Fever Vaccination in Colombia.

Author information

1
Sanofi Global Market Access, Sanofi Pasteur, Lyon, France. Electronic address: alexia.kieffer@sanofi.com.
2
Global Value and Access, Sanofi Pasteur, Lyon, France.
3
NeuroEconomix, Bogotá, Colombia.
4
Global Epidemiology, Sanofi Pasteur, Istanbul, Turkey.
5
Clinical Epidemiology and Biostatistics Department, Pontificia Universidad Javeriana, Medical School, Bogotá, Colombia.

Abstract

OBJECTIVES:

To evaluate the public health benefits and economic value of live-attenuated yellow fever (YF) 17D vaccine in Colombia.

METHODS:

A decision tree model was used to assess the theoretical impact of routine YF vaccination of 1-year-olds (no "catch-up") during the interepidemic period from 1980 to 2002, avoiding capturing the impact of YF vaccine introduction in 2003. The vaccine was assumed to be 99% effective, to provide lifetime protection, and to cover 85% of the target population. Costs per disability-adjusted life-year (DALY) averted were computed from payer and societal perspectives. Univariate sensitivity analyses were performed.

RESULTS:

During the interepidemic period, routine YF vaccination would have averted 2223 nonfatal cases of YF and 65 deaths, leading to an overall reduction of 1365 DALYs. The net cost of this vaccination would have been $25 964 813 (payer's perspective) and $16 535 465 (societal perspective). Cost per DALY averted was $19 022 and $12 114 from payer and societal perspectives, respectively (all costs in 2015 US dollars). Vaccination was considered cost-effective from both perspectives (ie, between 1- and 3-fold the gross domestic product per capita, $7158) and remains so if price per dose was $2.75 or less and $4.66 from payer and societal perspectives, respectively. Underreporting had the largest impact on the results.

CONCLUSIONS:

Routine toddler YF vaccination in Colombia would have been considered cost-effective in the prevaccination era. This study provides insights on the value of vaccination in an upper middle-income country.

KEYWORDS:

Colombia; cost-benefit analysis; economic evaluation; vaccine; yellow fever; yellow fever vaccine

PMID:
30974312
DOI:
10.1016/j.vhri.2019.01.004

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