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据世界卫生组织估计,免疫接种每年能避免200万至300万例因白喉、破伤风、百日咳和麻疹导致的死亡。全球疫苗接种覆盖率(全球获得推荐疫苗的儿童所占的比例)在过去几年中一直保持稳定。例如,接受白喉-破伤风-百日咳(白百破)三联疫苗全面接种的婴儿比例在过去3年稳定在83%。2012年间,全世界约有1.106亿婴儿接受了3剂白百破三联疫苗接种,从而免受可导致严重疾病和残疾或死亡的传染病之害。到2012年时,131个国家的白百破三联疫苗覆盖率达到了至少90%。
According to the estimates of the World Health Organization, 2 million to 3 million cases of death from diphtheria, tetanus, pertussis and measles are avoided each year by immunization. Global vaccination coverage (the proportion of children worldwide who receive the recommended vaccine) has remained steady over the past few years. For example, the proportion of infants receiving a full diphtheria-tetanus-pertussis (TRAB) vaccine has stabilized at 83% over the past three years. In 2012, some 110.6 million infants worldwide received three doses of Tetrapl vaccine for protection against infectious diseases that can result in serious illness and disability or death. By 2012, the coverage of Radix Peucedunase in 131 countries has reached at least 90%.