Vector control is highly dependent on the use of pyrethroids, which are the only class of insecticides used on currently recommended ITNs or LLINs.

病媒控制在很大程度上依赖对拟除虫菊酯(用于杀虫剂)的使用，这是用于目前推荐的经杀虫剂处理过的蚊帐或经长效杀虫剂处理过的蚊帐的唯一杀虫剂类别。

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What makes a bigger difference, Mr Demombynes argues, is some combination of broad economic growth and specific public-health policies, notably the increase in the use of insecticide-treated bednets (ITNs) which discourage mosquitoes, which cause malaria.

ECONOMIST: African child mortality