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|Title: ||Evaluating the alternative strategies for hepatitis A and B vaccination in Bangladesh: an economic analysis|
|Authors: ||Ali, Disha|
Khan, M. Mahmud
|Keywords: ||Hepatitis A|
Hepatitis A Vaccines
Hepatitis B Vaccines
|Issue Date: |
|Citation: ||J Diarrhoeal Dis Res 1998 Jun;16(2):143|
|Abstract: ||Objective: Compare the costs and benefits of adopting alternative strategies for hepatitis A and B vaccination in Bangladesh to determine the most cost-effective approach of preventing the infection.
Methodology: Three alternative strategies that have been evaluated are: (a) vaccinate all individuals in the society without testing, (b) vaccinate only those who are not immune to hepatitis A and B, and (c) vaccinate the non-immune cases among the high-risk population. A simple economic model, explaining the costs and benefits associated with screening and vaccination, was developed to examine the alternatives. The model predicts the costs and benefits at different levels of prevalence, cost of identification of the high-risk groups, sensitivity and specificity of the tests, the direct and indirect economic cost of infections, and effectiveness of the vaccinations in Bangladesh context. Costs of tests and vaccinations were obtained through the private provider survey in Dhaka, and the direct medical benefits of preventing the infections were derived from the expert opinion surveys. The indirect economic costs were estimated by considering the degree and duration of morbidity, and case-specific fatality information was obtained either from literature or through expert opinion surveys. The costing implicitly assumed that successive three doses of immunization would provide life-long immunity to an individual.
Results: Hepatitis A vaccination, due to its low direct and indirect cost, turned out to be a low-priority intervention for Bangladesh. Hepatitis B-screening tests and vaccinations are relatively costly. However, the benefit of preventing hepatitis B is also high. Despite the high cost of screening and vaccination, the prevention of hepatitis B remains a highly desirable intervention for Bangladesh.
Conclusion: Immunization against hepatitis B appears beneficial to the society at a reasonable range of prevalence. Economic benefits of preventing hepatitis B are high, but the intervention appears too costly to be funded through the public sector alone. Alternative methods of funding hepatitis B vaccination (HBV) should be considered. Therefore, in the short run, a mass campaign on HBV will not be feasible due to the financial resource constraints|
|Appears in Collections:||Infectious diseases and vaccine sciences conference papers|
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