Insecticide-treated net coverage in Africa: mapping progress in 2000-07.
Insecticide-treated net coverage in Africa: mapping progress in 2000-07.
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DOI：
10.1016/s0140-6736(08)61596-2
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发表时间：
2009-01-03
期刊：
影响因子：
168.9
通讯作者：
Snow, Robert W.
中科院分区：
文献类型：
--
作者：
Noor, Abdisalan M.;Mutheu, Juliette J.;Tatem, Andrew J.;Hay, Simon I.;Snow, Robert W.
经杀虫剂处理的蚊帐提供了一种提高非洲各地儿童存活率的手段。这些蚊帐的销售数字和全国公布的调查覆盖范围数据掩盖了面临生物和经济风险的人口中的不平等现象，无法准确估计未得到满足的商品需求。我们收集了2000至2007年间非洲40个疟疾流行国家的国家以下各级ITN复盖率抽样调查数据。我们为年龄调整的人口数据计算了5岁以下儿童的ITN覆盖率，这些数据根据疟疾传播风险、贫困的直接决定因素和ITN的提供方法进行了分层。2000年，只有170万(1.8%)生活在疟疾流行稳定条件下的非洲儿童得到了ITN的保护，到2007年，这一数字增加到2030万(18.5%)，使8960万儿童得不到保护。其中，3000万人生活在非洲一些最贫穷的地区：54%的人只生活在7个国家，25%的人生活在尼日利亚。总体而言，据估计，2007年有33个国家(83%)的ITN覆盖率低于40%。平均而言，我们注意到，在调查期间免费分发的地区，ITN覆盖范围的增幅较大。通过绘制与疟疾风险和干预覆盖率相关的人口分布图，我们提供了一种手段，以跟踪扩大基本疾病预防战略的未来需求。目前ITN在非洲的复盖面仍然不足，集中努力改善在选定地区的分布将对非洲大陆的疟疾负担产生重大影响。惠康信托公司。
Insecticide-treated bednets (ITNs) provide a means to improve child survival across Africa. Sales figures of these nets and survey coverage data presented nationally mask inequities in populations at biological and economic risk, and do not allow for precision in the estimation of unmet commodity needs. We gathered subnational ITN coverage sample survey data from 40 malaria-endemic countries in Africa between 2000 and 2007. We computed the projected ITN coverage among children aged less than 5 years for age-adjusted population data that were stratified according to malaria transmission risks, proximate determinants of poverty, and methods of ITN delivery. In 2000, only 1·7 million (1·8%) African children living in stable malaria-endemic conditions were protected by an ITN and the number increased to 20·3 million (18·5%) by 2007 leaving 89·6 million children unprotected. Of these, 30 million were living in some of the poorest areas of Africa: 54% were living in only seven countries and 25% in Nigeria alone. Overall, 33 (83%) countries were estimated to have ITN coverage of less than 40% in 2007. On average, we noted a greater increase in ITN coverage in areas where free distribution had operated between survey periods. By mapping the distribution of populations in relation to malaria risk and intervention coverage, we provide a means to track the future requirements for scaling up essential disease-prevention strategies. The present coverage of ITN in Africa remains inadequate and a focused effort to improve distribution in selected areas would have a substantial effect on the continent's malaria burden. Wellcome Trust.