与此同时，莱索托已迈出了一小步，首次聘请了两个边界管理官员，负责监测环境健康问题。

Lesotho, meanwhile, has taken one small step on its own, hiring the country's first two border officers to monitor environmental health issues.

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流行国家以及未报告布鲁里溃疡但与流行国家有共同边界的国家的监测系统需要提高警惕。

Vigilance is required in the surveillance systems of both endemic countries and countries that have not reported bu but which share borders with endemic countries.

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美国卫生官员加强在医生诊所和国际边界的监测措施，防止猪流感的蔓延。

U.S. health officials are increasing surveillance measures at doctors' offices and international borders to guard against the spread of swine flu.

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