Globally the overall coverage has increased gradually year by year, the pattern of which depends largely on the incorporation of the Hib vaccine childhood immunisation programme.

• 在这十年间，全球乙型流感嗜血杆菌疫苗接种覆盖率逐渐上升，不过整体趋势主要取决于各国儿童免疫计划的策略而有所不同。