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长期以来DEET灭蚊胺成为各国人们夏日驱蚊的首选，不过由于它的一些成分毒性较大，儿童不宜，科学家们一直在寻找更好的代替品，最近美国疾病预防与控制中心政府推荐了两种含有picaridin抗蚊素或桉树油的新型驱蚊剂。外电报道如下：After years of promoting the chemical DEET as the best defense against West Nile-bearing mosquitoes, the government for the first time is recommending the use of two other insect repellents.
Repellents containing the chemical picaridin or the oil of lemon eucalyptus offer "long-lasting protection against mosquito bites," the Centers for Disease Control and Prevention said, adding that repellents with DEET remain on the agency's recommendation list.
"Since West Nile virus is present across the entire country at this point and it's here to stay, we constantly need to be vigilant," said Dr. Lyle Petersen, director of the CDC's division of vector-borne infectious diseases. "It gives consumers a better option to protect themselves."
Repellent在此表示“驱虫剂，抗耐剂”，此外还有“排斥的，令人讨厌的，防…的”等含义，例如：a water-repellent fabric（防水织物）。
（中国日报网站编）
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