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在过去的四十年里，赞比亚在没有采采蝇和锥虫病控制计划的情况下，一些人类非洲锥虫病传播焦点消失了。

Disappearance of some human African trypanosomiasis transmission foci in Zambia in the absence of a tsetse fly and trypanosomiasis control program over a period of forty years.

机构信息

Tropical Diseases Research Centre, PO BOX 71769, Ndola, Zambia.

出版信息

Trans R Soc Trop Med Hyg. 2011 Mar;105(3):167-72. doi: 10.1016/j.trstmh.2010.12.002. Epub 2011 Jan 26.

DOI:10.1016/j.trstmh.2010.12.002

PMID:21276598

Abstract

We conducted a situation analysis of human African trypanosomiasis (HAT) in Zambia from January 2000 to April 2007. The aim of this survey was to identify districts in Zambia that were still recording cases of HAT. Three districts namely, Mpika, Chama, and Chipata were found to be still reporting cases of HAT and thus lay in HAT transmission foci in North Eastern Zambia. During the period under review, 24 cases of HAT were reported from these three districts. We thereafter reviewed literature on the occurrence of HAT in Zambia from the early 1960s to mid 1990s. This revealed that HAT transmission foci were widespread in Western, North Western, Lusaka, Eastern, Luapula, and Northern Provinces of Zambia during this period. In this article we have tried to give possible reasons as to why the distribution of HAT transmission foci is so different between before and after 2000 when there has been no active national tsetse fly and trypanosomiasis control program in Zambia.

摘要

我们对 2000 年 1 月至 2007 年 4 月期间赞比亚的人类非洲锥虫病（HAT）进行了情况分析。本次调查的目的是确定赞比亚仍有记录 HAT 病例的地区。结果发现，姆皮卡、恰马和奇帕塔三个地区仍有 HAT 病例报告，因此位于赞比亚东北部的 HAT 传播焦点区。在此期间，这三个地区共报告了 24 例 HAT。此后，我们查阅了 20 世纪 60 年代初至 90 年代中期期间赞比亚发生 HAT 的文献。结果表明，在这一时期，赞比亚的西部、西北部、卢萨卡、东部、卢阿普拉和北部等省份均有 HAT 传播焦点。本文试图解释为什么在 2000 年之前和之后 HAT 传播焦点的分布会有如此大的差异，因为在 2000 年之后赞比亚没有开展国家采采蝇和锥虫病控制项目。