They have begun to vaccinate children in an attempt to check the spread of the disease.为了控制疾病的蔓延，他们开始给孩子们注射疫苗。They are taking measures to check the spread of the disease.他们正采取措施控制疾病的传播。Sex education is also expected to help check the spread of AIDS.人们还希望性教育有助于控制艾滋病的蔓延。