The centers for disease control and prevention ( cdc ) recently added a picaridin-based insect repellent and oil of lemon eucalyptus-based repellent ( see below ) to deet as recommended repellents for the prevention of mosquito bites .
That 's because there will still be enough regular mosquitoes to crossbreed with those that can 't sense deet .
那是因为还有足够多的普通蚊子和这些能对驱蚊胺不敏感的蚊子杂交。
Available in several brands or formulations , oil of lemon eucalyptus provides protection against mosquitoes similar to low concentrations of deet .
在很多品牌或配方中,柠檬桉叶油防蚊虫的功效与低浓度的避蚊胺效果相当。
Deet or permethrin-based mosquito and tick repellents may be used , which can substantially increase the level of protection ( see section on repellents ) .
使用避蚊胺或者以氯菊酯为基础的蚊香和蜱剂,大大提高防护水平(详见防护剂)。
Reported adverse reactions appear to have involved high concentrations of deet , over application of product contrary to label directions , or ingestion of product .