洪涝灾害期间血吸虫病流行区居民接触疫水的定量研究

目的 了解洞庭湖区不同人群灾年感染血吸虫的主要暴露方式。方法 在该区选择有溃烷的2个受灾村和没有溃垸的2个对照村，进行回顾性病例对照研究。结果 受灾村成年男性和女性主要感染方式相同，均为抗洪、日常生活、生产和游泳。未成年人灾年主要感染方式为游泳、嬉水和日常生活接触。结论 洪灾期间，居民接触疫水的各种方式在频次、持续时间和暴露强度上都有较大的改变，日常生活和游泳是3组人群在洪灾期间的共同感染方式。灾年成年女性主要是日常生活接触疫水，成年男性和未成年人接触疫水的强度以游泳或嬉水为主。

QUANTITATIVE STUDY ON HUMAN WATER CONTACT DURING DISASTER YEAR IN ENDEMIC REGION OF SCHISTOSOMIASIS JAPONICA

Objective To know the major patterns of human water contact in different population in Dongting Lake region during disaster year.Methods A retrospective case control study was performed in 2 villages embankment collapsed and 2 non disaster villages in Dongting Lake region. Results The major water contact patterns of both male adults and female adults were anti flood, domestic contact, agricultural production and swimming, but that of immature were swimming and paddling, domestic contact. Conclusion Different patterns of water contact all had big changes in frequency, duration and intensity during flood year, domestic contact and swimming were the common patterns of water contact among the three groups of population. For the female adults the major pattern of water contact was domestic contact, furthermore, for the male adults and immature the major pattern of water contact in intensity was swimming or paddling.