VoICE Immunization Evidence: Cost effectiveness

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Cost effectiveness

Cost effectiveness relates to the evaluation of the costs of a specific intervention and the resultant health effects of that intervention. Vaccines are among the most cost-effective health intervention, especially in low-income populations allowing for better Equity between populations. In addition, the added, indirect health impact of some vaccines through Herd Effects simultaneously increases the cost-effectiveness of these vaccines.
3 Key Ideas, 9 Sources
Key Idea

An analysis of the impact of rotavirus vaccine in 25 gavi countries found that the rates of vaccination in all countries were highest and risk mortality lowest in the top two wealth quintile’s coverage. Countries differed in the relative inequities in these two underlying variables. Cost per DALYs averted is substantially greater in the higher quintiles. In all countries, the greatest potential vaccine benefit was in the poorest quintiles; however, reduced vaccination coverage lowered the projected vaccine benefit.

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A study looking at the impact of pneumococcal vaccine introduction and scaling up pneumonia treatment in Ethiopia found that 30-40% of all deaths averted by these interventions would be expected to occur in the poorest wealth quintile. The greatest resulting financial risk protection would also be concentrated among the bottom income quintile.

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A study of measles vaccine in Bangladesh found that children from the poorest quintile were more than twice as likely to die as those from the least quintile in the absence of measles vaccination. The difference in mortality between unvaccinated and vaccinated was statistically significant (p<0.10) and robust across alternative measures of socioeconomic status.

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Key Idea

The evidence on cholera disease dynamics suggests that significant herd protection can result from a relatively small number of immunizations, particularly in endemic areas where there is some natural immunity among the population.

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This study based on active surveillance in the US before and after introduction of PCV estimated 38,000 cases of invasive pneumococcal disease were averted in the first 5 years of vaccine use, at an estimated cost of US$112,000 per life year saved. However, after inclusion of 71,000 cases of disease that were prevented through herd effects, researchers estimate a cost of US$7,500 per life year saved.

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Key Idea

A multi-site study of cholera vaccination programs found that the vaccine was cost-effective in school- and community-based vaccination programs for children in India, Mozambique and Indonesia.

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PCV7 use in Argentina resulted in an estimated cost of US$5599 per life year gained and the purchase of the 4 doses of vaccine for the entire cohort at a cost of US$ 26.5 dose would require an investment of US$ 73,823,806.00.

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Assuming 90% coverage, a program in The Gambia using a 9-valent PCV (PCV9) would prevent approximately 630 hospitalizations, 40 deaths, and 1000 DALYs, over the first 5 years of life of a birth cohort. The estimated cost would be $670 per DALY averted in The Gambia.

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A study on the cost-effectiveness of universal vaccination in children found that at 95% vaccine coverage, the Hepatitis A immunization program in Argentina can reduce over 350,000 hepatitis A infections per year and 428 deaths. Benefits are observed when coverage is as low as 70% with over 290,000 prevented infections. In terms of cost, the program would save almost $24,000 annually at 95% coverage.

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A woman carrying vaccines

Search for immunization evidence

The VoICE tool allows you to search for research studies and published evidence based on a topic, location, and disease or vaccine.

Search VoICE