Department of Global Environmental Health, Emory University, Rollins School of Public Health, Atlanta, Georgia, USA.
Am J Trop Med Hyg. 2009 Dec;81(6):1013-9. doi: 10.4269/ajtmh.2009.09-0115.
Aedes polynesiensis and Ae. aegypti breeding site productivity in two American Samoa villages were analyzed during a dry season survey and compared with a wet season survey. Both surveys identified similar container types producing greater numbers of pupae, with buckets, drums, and tires responsible for > 50% of Aedes pupae during the dry season. The prevalence of containers with Ae. polynesiensis and the density of Ae. polynesiensis in discarded appliances, drums, and discarded plastic ice cream containers were significantly greater during the dry season. Aedes aegypti pupal densities were significantly greater in the dry season in ice cream containers and tires. Significant clustering of the most productive container types by household was only found for appliances. The high productivity for Ae. polynesiensis and Ae. aegypti pupae during the wet and dry seasons suggests that dengue and lymphatic filariasis transmission can occur throughout the year, consistent with the reporting of dengue cases.
在旱季调查期间分析了美属萨摩亚两个村庄中伊蚊和埃及伊蚊的滋生地生产力,并与雨季调查进行了比较。两次调查都确定了类似的能够产生更多蛹的容器类型,在旱季,水桶、桶和轮胎负责产生超过 50%的伊蚊蛹。在旱季,废弃器具、桶和废弃的塑料冰淇淋容器中存在埃及伊蚊和埃及伊蚊的容器的流行率以及埃及伊蚊的密度显著更高。在旱季,在冰淇淋容器和轮胎中埃及伊蚊的蛹密度显著更高。仅在家用器具中发现最具生产力的容器类型的显著聚类。在雨季和旱季,埃及伊蚊和埃及伊蚊的幼虫都具有很高的生产力,这表明登革热和淋巴丝虫病的传播全年都可能发生,这与登革热病例的报告一致。