Childhood vaccine purchase costs in the public sector: past trends, future expectations.

摘要

OBJECTIVES: We examined recent public-sector trends in childhood vaccine costs and estimated future costs. METHODS: We used public-sector price data to calculate vaccine purchase cost per child for children aged 0 to 6 years from 1975 to 2001. We fit a linear regression model to historical data and then used it to project costs per child from 2002 to 2020, adjusted to 2001 US dollars. RESULTS: Controlling for inflation, the cost of vaccine purchase per child climbed from