At around the same time the larviciding was initiated, ITNs were introduced gradually into all study communities by the National Malaria Control Programme.
在开始杀幼蚊的同时国家疟疾防治计划逐渐将ITN 引进所有的研究社区。
2
Larviciding measures at mosquito breeding sites are the most effective form of vector control if breeding sites can be clearly identified and are limited in size and extent.