Costs and cost-effectiveness of a universal, school-based hepatitis B vaccination program.

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Abstract
OBJECTIVES: This study evaluated the costs and cost-effectiveness of a school-based grade 6 universal vaccination program against hepatitis B. METHODS: We performed a descriptive cost study and cost-effectiveness analysis of British Columbia's vaccination program for 1994 and 1995. Since 1992, public health nurses have administered hepatitis B vaccine to grade 6 students in schools. We measured costs of vaccine, vaccine administration, and net program costs and used a validated Markov model to calculate the cost-effectiveness of the program. RESULTS: Vaccinating each student cost $44, $24 of which was the cost of vaccine administration. The net cost was $9 per person; considering productivity costs, net savings were $75 per person. Marginal cost per life year gained was $2100. Universal adolescent vaccination is also economically attractive in the United States but less attractive in regions with incidence rates below 3 cases per 100,000 per year. CONCLUSIONS: Hepatitis B vaccine can be delivered in North American schools at a reasonable cost. Adolescent vaccination is economically attractive in North American regions of high and average incidence rates. Our analysis supports vaccination in adolescents who remain at risk for hepatitis B virus infection.