接触疫水方式以戏水游泳(26例)和生产、生活(21例)为主。
Contact style: 26 cases infected by playing and swimming, 21 cases by production and living.
同时选择30名学生作为记录员，记录各自家庭成员每天接触疫水的时间。
Meanwhile, 30 students were chosen as recorders to record their family members' time length of contacting infected water each day.
方法居民病情和疫水接触史进行队列研究，家畜病情和螺情进行纵向调查。
Methods Cohort study was carried out among the prevalence and water contact of residents, and longitudinal study was undertaken for prevalence of water buffaloes and snails dynamics.
结论西昌高山型血吸虫病流行区不同人群疫水暴露方式、时间和暴露强度不同。
Conclusion Water exposure modes, times, and intensities of different populations were different in mountainous schistosomiasis endemic areas of Xichang.
回顾性调查显示，既往不同暴露疫水方式和暴露强度的人群血清学阳性率不同。
As revealed from retrospective investigation, the positive rate of serological reaction varied with the manner and intensity of previous contact with water in endemic area.
方法采用队列随访调查的方法收集居民疫水暴露的情况，并用系统聚类法中样品聚类(Q型)进行聚类分析。
Methods The data of resident's contacting infectious water were collected with cohort study, and were analyzed by sample cluster analysis (Q type).
在血吸虫病中度流行区，对以疫水接触史确定化疗对象的筛检方法进行了其真实性和可靠性研究，并对其防治效果进行了纵向观察。
The study on the validity, reliability and control effect of the screening method of regarding water contact as chemotherapy indicator was carried out in schistosomiasis medium endemicity.
在血吸虫病中度流行区，对以疫水接触史确定化疗对象的筛检方法进行了其真实性和可靠性研究，并对其防治效果进行了纵向观察。
The study on the validity, reliability and control effect of the screening method of regarding water contact as chemotherapy indicator was carried out in schistosomiasis medium endemicity.
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