Travellers from Pakistan should have a full course of vaccination against polio before leaving Pakistan, with a minimum one dose of OPV before departure.
从巴基斯坦出发的旅客应在离开巴基斯坦前完成免疫接种的完整疗程，出发前至少要服用一剂口服脊髓灰质炎疫苗。
Travelers from polio-affected areas should have a full course of vaccination against polio before leaving, with a minimum one dose of OPV before departure.
来自受脊髓灰质炎影响地区的旅行者，应在行前获得脊髓灰质炎疫苗完整程序的接种，出发前至少应获得一剂口服脊髓灰质炎疫苗。
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