Use of treated nets by children and pregnant women is lagging possession of treated nets in households: that is, some households have insecticide-treated nets but they are not being used by children and pregnant women (those most at risk).
儿童和孕妇使用驱虫蚊帐的比例比住户拥有驱虫蚊帐的比例要小，也就是说，一些住户有驱虫蚊帐，但用的不是儿童和孕妇（风险最高群体）。