The method has previously been used to fight rinderpest in Africa and Asia and hog cholera in South America.
这种方法此前曾被用于防控非洲和亚洲的牛瘟，以及南美洲的猪瘟。But the European Centre for Disease Prevention and Control warned much of the rest of Europe was also beginning to see increases too.
然而，欧洲疾病防控中心警告，欧洲许多其他地区的流感病例也开始在增加。He said the AIDS virus, also known as HIV, has been so difficult to stop because it mutates at a dizzying rate.
他表示，艾滋病毒，即人体免疫缺陷病毒非常难以防控，因为它的突变速度快得惊人。The current strategy of containment justified using "precious antiviral drugs" , he said.
他说当前的防控策略证明使用昂贵的抗病毒药物是有效的。The United States Centers for Disease Control and Prevention is advising people to avoid travel to Mexico. But it has not suggested a ban.
美国疾病防控中心建议人们应当避免前往墨西哥旅游。不过这还未成为一项禁令。Dr. Alcabes, who was once a harsh critic of C. D. C. estimates, said he believed the new numbers were as accurate as they could get.
阿尔卡布博士曾经对防控中心的估计数据提出严厉批评，但这次他说相信新的数据和他们能够得到的一样准确。Local officials strengthened monitoring and prepared relief materials in case of landslides and mud-rock flows triggered by the heavy rains.
当地官员加强防控并准备救济材料，以防暴雨冲击山崩和泥石流触发。Objective The present study of the epidemic factors of paratyphoid A Epidemic for the effective prevention and control of the disease.
目的：查明引起甲型副伤寒疫情流行的危险因素，以制定有效防控措施，迅速控制疫情。This system is designed for the overall security control and security operational management of a complex and large-scale event.
大型活动安保指挥系统是为满足复杂、大型活动的整体安全防控和安保业务管理而设计的技术系统。