Another common method is larviciding in which chemicals or biological larvicides are added to standing water to kill larvae, ” she aid.

另一个常见的办法是用杀幼虫剂，用化学品或生物杀幼虫剂添加到静杀灭幼虫。”

The guidelines add, “In most endemic settings, the appropriate way to use larviciding is as a supplement” to nets and spraying.

指导方针称，“在大染病环境下，适当使用杀幼虫剂的办法都只能作为蚊帐和喷洒办法的补充。

Currently, the WHO does not recommend using the larvicides in rural sub-Saharan Africa, unless there are particular circumstances that limit the habitats of mosquito larvae.

世卫组织并未推荐在撒哈拉南部非洲使用杀幼虫剂，除非在能限制蚊子幼虫栖息地的特别的环境。