ANALYSIS OF EPIDEMIC CHANGES IN THE EPIDEMIOLOGICAL OBSERVATION POINTS OF SCHISTOSOMIASIS IN HUBEI PROVINCE FROM 1990 TO 1998 / 中国血吸虫病防治杂志

Objective To master the trend of schistosomiasis epidemic by means of established observation points and give the scientific reference for the control decision making henceforth. Methods Three villages of schistosomiasis with highly prevalence in Hubei Province were selected as observation points, and their epidemiological status were observed from 1990-1998. Results The schistosomiasis prevalence was considerably decreasing in the 3 villages, from high epidemic areas into medium or light areas. Conclusion It is a right tactic to use the selective population chemotherapy and control snail in high transmission areas of schistosomiasis in high epidemic areas.