中国公共卫生专家绘制桑给巴尔首张血吸虫病传播媒介分布图
Xin Hua Wang·2025-10-28 05:40

Core Insights - The article discusses the successful completion of a systematic survey of schistosomiasis transmission vectors in Zanzibar, Tanzania, by a Chinese expert team, marking a significant step in public health efforts to eliminate the disease [1][2] Group 1: Project Overview - The Chinese expert team conducted a survey of 320 key water bodies on Unguja and Pemba Islands, identifying the distribution of the water snail, the main vector for schistosomiasis [1] - The survey utilized the World Health Organization's recommended methods, resulting in the creation of Zanzibar's first schistosomiasis transmission vector distribution map [1] Group 2: Methodology and Data Collection - The survey employed a standardized 15-minute collection method to gather data on water snail distribution and infection rates, while also recording environmental factors such as water type, depth, vegetation, temperature, and human interaction [1][2] - Over the course of one month, the team collected and identified more than 40,000 water snail samples, providing comprehensive data on their distribution, density, ecological characteristics, and infection rates [2] Group 3: Impact and Significance - This survey represents the first systematic acquisition of nationwide snail distribution information in Zanzibar, indicating a critical advancement in the control of schistosomiasis [2] - The establishment of a snail monitoring technical system by the Chinese expert team offers robust technical support for achieving public health goals related to the elimination of schistosomiasis [2]