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目的 :定量研究洲岛型血吸虫病疫区围垦后居民的疫水接触状况及疫情。方法 :对鄱阳湖一洲岛型血吸虫病疫区村在围垦一年后开展居民疫水接触调查 ,并对普治后居民的血吸虫感染情况进行纵向观察。结果 :围垦后居民主要在堤内活动 ,下田劳动、洗衣菜是主要的疫水接触方式 ,春夏高于秋冬 ;堤外疫水接触很少 ,主要是下湖捕鱼虾和水上运输 ,秋冬高于春夏 ,以男性为主。人群接触疫水随年龄的增长而增长 ,老年后逐渐减少。围垦后试区疫情迅速下降。结论 :围垦后居民生产和生活方式发生了显著变化 ,化疗已能有效地控制疫情。
Objective: To quantitatively study the status of epidemic and epidemic situation of residents after reclamation of schistosomiasis of Zhou Island. Methods: After a year of reclamation, residents of Poyang Lake-type schistosomiasis endemic area were investigated for contact with the infected population. Long-term observation of schistosomiasis prevalence among residents after the general treatment was conducted. Results: After the reclamation, the residents mainly moved in the levee. The labor and washing dishes were the main ways of contact with polluted water. The spring and summer were higher than those in the autumn and winter. There was very little contact with the polluted water outside the embankment, mainly the shrimp and water transport in the lower lake, Spring and summer, mainly men. Population exposure to water increased with age, gradually decreased after aging. After reclamation, the epidemic situation in the trial area decreased rapidly. Conclusion: After the reclamation, residents’ production and life style have undergone significant changes. Chemotherapy has been able to effectively control the epidemic.