波士顿—在2月的亚的斯亚贝巴，非洲各国卫生部长签署了一份广受欢迎的宣言，承诺将免疫作为拯救非洲儿童免遭死亡和疾病的措施的核心。
BOSTON – In February in Addis Ababa, African health ministers signed a widely celebrated declaration of their commitment to keeping immunization at the forefront of efforts to save the continent’s children from death and disease.