事实上，我们正在目睹强大的免疫系统保护我们在消灭小儿麻痹症的战争上的胜利，提供一个接触世界最脆弱母亲和儿童、为他们带去新疫苗和基本医疗服务的平台。
Indeed, we are seeing how strong immunization systems protect our gains against polio and provide a platform for reaching the world’s most vulnerable mothers and children with new vaccines and primary health care.