流坡村1990～1995年血吸虫病疫情观测报告

REPORT ON THE EPIDEMIC SITUATION OF SCHISTOSOMIASIS IN LIUPO VILLAGE FROM 1990 TO 1995

为了准确地掌握江滩型重疫区血吸虫病疫情动态和趋势,应用流行病学原理和方法,对流坡村系统观测六年。经三年人群扩大化疗后人群感染率曾一度下降,但很快回升,急性感染人数减少,但仍有发生;滩地螺情一直较重,感染螺消长与水情相关;据调查,该试区主要传染源为感染的牛和猪。观测结果提示,人群扩大化疗对江滩型重疫区虽能降低人群感染率,但难以阻断血吸虫病传播。为控制疾病,当前仍需坚持人畜同步扩大化疗,同时,要积极探讨人群再感染规律及影响因素,以便不断完善防治策略。

In order to know the dynamic situation and tendency of the schistosomiasis epidemic in the serious area in lake’s and river’s marshlands epidemic situation of Liupo village has been systematically monitored for 6 years. After the chemotherapy for the population, the infection rate of the population had decreased but epidemic situation restore rapidly within a short-period. The infeetion rate of cattle and pig is still on a higher leve. And the case of acute infection reduced rather than disappeared. There has been serious snail situation in the area of marshlands and appear or disappear of the infected snail in marshlands is related with going up or going down of the river water. The result monitored showed that it is difficult to interrupt transmossion of schistosmiasis, although expanded chemotherapy for people is able to reduce the infected rate of people, At present, for controlling the disease it is needed to insist the expanded synchronors chemotherapy for human and domestic animal, on the other hand the regular law and the faror svayed of reinfection of people should positvely be probed in order to improve and complete the control strategy.