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Systematic review of the costs and effectiveness of interventions to increase infant vaccination coverage in low- and middle-income countries
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Systematic review of the costs and effectiveness of interventions to increase infant vaccination coverage in low- and middle-income countries
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Journal Article
Systematic review of the costs and effectiveness of interventions to increase infant vaccination coverage in low- and middle-income countries
2019
Overview
Background
In recent years, several large studies have assessed the costs of national infant immunization programs, and the results of these studies are used to support planning and budgeting in low- and middle-income countries. However, few studies have addressed the costs and cost-effectiveness of interventions to improve immunization coverage, despite this being a major focus of policy attention. Without this information, countries and international stakeholders have little objective evidence on the efficiency of competing interventions for improving coverage.
Methods
We conducted a systematic literature review on the costs and cost-effectiveness of interventions to improve immunization coverage in low- and middle-income countries, including both published and unpublished reports. We evaluated the quality of included studies and extracted data on costs and incremental coverage. Where possible, we calculated incremental cost-effectiveness ratios (ICERs) to describe the efficiency of each intervention in increasing coverage.
Results
A total of 14 out of 41 full text articles reviewed met criteria for inclusion in the final review. Interventions for increasing immunization coverage included demand generation, modified delivery approaches, cash transfer programs, health systems strengthening, and novel technology usage. We observed substantial heterogeneity in costing methods and incompleteness of cost and coverage reporting. Most studies reported increases in coverage following the interventions, with coverage increasing by an average of 23 percentage points post-intervention across studies. ICERs ranged from $0.66 to $161.95 per child vaccinated in 2017 USD. We did not conduct a meta-analysis given the small number of estimates and variety of interventions included.
Conclusions
There is little quantitative evidence on the costs and cost-effectiveness of interventions for improving immunization coverage, despite this being a major objective for national immunization programs. Efforts to improve the level of costing evidence—such as by integrating cost analysis within implementation studies and trials of immunization scale up—could allow programs to better allocate resources for coverage improvement. Greater adoption of standardized cost reporting methods would also enable the synthesis and use of cost data.
Publisher
BioMed Central,BioMed Central Ltd,BMC
Subject
/ Budgets
/ Developing Countries - economics
/ Health systems and services in low and middle income settings
/ Humans
/ Immunization Programs - economics
/ Immunization Programs - statistics & numerical data
/ Income - statistics & numerical data
/ Infant
/ Infants
/ Medicine
/ Novels
