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国内麻疹为何小流行不断

Family Medicine(2020)

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Abstract
麻疹是由麻疹病毒感染引起的传染病.自1978年我国将麻疹疫苗纳入计划免疫项目以来,为了尽快消除麻疹,全国范围多次开展了麻疹疫苗强化免疫运动,麻疹发病率得到了大幅度的下降.但近年来,麻疹疫情时而出现反弹,离麻疹消除的目标仍有一定的差距.为何国内麻疹小流行不断?
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