Spatial and temporal variation in local transmission of Schistosoma haematobium in Msambweni, Kenya
Spatial and temporal variation in local transmission of Schistosoma haematobium in Msambweni, Kenya
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DOI：
10.4269/ajtmh.2006.75.1034
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发表时间：
2006-12-01
影响因子：
3.3
通讯作者：
Kitron, Uriel
中科院分区：
文献类型：
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作者：
Clennon, Julie A.;Mungai, Peter L.;Kitron, Uriel
作为肯尼亚南部海岸泌尿血吸虫病生态流行病学的广泛研究的一部分，空间和时间的传播模式与各种池塘与泡螺螺出没。将2000年各年龄组儿童家庭一级感染的空间模式与1984年以来的历史数据进行了对比。检测到学龄儿童中高和低感染水平的显著局部聚集，并测量了聚集的空间范围及其来自特定水源的方向。高感染水平聚集在池塘周围，已知含有小泡螺，血吸虫尾蚴脱落，低感染水平集中在附近的河流，中间宿主螺很少found.The感染的空间格局不同，2000年和1984年之间的年龄组。在两个研究期间，高水平的感染聚集在不同的传播源周围，并且在2000年，对于年幼的儿童来说，比年长的儿童聚集在更靠近传播源的地方。同时考虑不同疫源地对传播的影响将允许有针对性地应用旨在中断S的控制措施。在地方一级传播嗜血杆菌。
As part of an extensive study of the eco-epidemiology of urinary schistosomiasis along the southern coast of Kenya, spatial and temporal transmission patterns were associated with various ponds infested with Bulinus snails. The household-level spatial pattern of infection for children of various age groups in 2000 was contrasted with historical data from 1984. Significant local clustering of high and low infection levels among school age children was detected, and the spatial extent of clusters and their direction from specific water sources were measured. High infection levels were clustered around ponds known to contain Bulinus nasutus snails that shed Schistosoma haematobium cercariae, and low infection levels were concentrated near a river where intermediate host snails were rarely found. The spatial patterns of infection varied between 2000 and 1984 and between age groups. High levels of infection were clustered around different transmission foci in the two study periods, and, for younger children in 2000, were clustered nearer to the transmission foci than for the older children. Simultaneous consideration of the effects of different foci on transmission will allow for targeted application of control measures aimed at interrupting S. haematobium transmission at a local level.