The C. D. C. says Guinea worm no longer strikes in Asia.
疾病预防控制中心称在亚洲麦地那龙线虫病已经销声匿迹了。
But she also said C. D. C. scientists are preparing for possible cases of chikungunya in the United States.
但是她也表示，疾控中心的科学家们正在为美国可能出现的基孔肯雅病例做准备。
The C. D. C. decided to release its results simultaneously.
疾控中心决定同时发布它的结果。
Doctor Terry Pechacek at the C. D. C. says the findings should persuade every country that smoking in enclosed Spaces is very dangerous to nonsmokers.
疾控中心的TerryPechacek博士说，这些研究结果应该提醒每一个国家，在密闭环境中吸烟对于不吸烟者来说是非常危险的。
Not coincidentally, diabetes is a big national headache, even if the C. D. C. reported last month that new cases of the disease had begun to decline.
无独有偶，虽然据CDC上个月报道，糖尿病的新病例数开始下降了，但它仍是令美国头痛的一大疾病。
The second study, called TDF2 and done in Botswana by the C. D. C., found that those taking Truvada had a 63 percent lower chance of infection.
第二项研究称作TDF2，由疾控中心在博茨瓦纳进行，发现服用Truvada的人群受感染率降低63%。
C. D. C. officials say people should put on sunscreen before they leave home, even on cloudy or cool days.
美国疾病控制防治中心官员们说：不论是阴天也不论是冷天，人们在离开家的时候都要使用防晒霜。
C. D. C. officials say people should put on sunscreen before they leave home, even on cloudy or cool days.
美国疾病控制防治中心官员们说：不论是阴天也不论是冷天，人们在离开家的时候都要使用防晒霜。
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