【摘要】 本文报道彭兴和泰兴洲滩型血吸虫病流行区流行因素，结果表明当地钉螺分布广，有螺面积１２３．８万ｍ￣２，阳性螺密度０．００７１只／框，钉螺自然感染率为０．１４％。人群感染率为７．６８％。保虫宿主耕牛的感染率最高（１８．９７％），而且污染环境严重。居民主要以生活型方式接触疫水，卫生设施较差。ＫＡＰ调查表明居民血防知识欠缺。流动人口增多使疫情加剧。更多还原

【Abstract】 This paper reported the epidemic factors of Shistosomiasis in marshland ofPengxing ,Taixing Villages. The results showed that the distribution of snails was wide with asnail area of 1.238 million square metres. The density of positive snails was 0.0071/0.11m￣2 andthe infected rate of snails was 0.14%. The infected rate of people was 7.68%. The infected rateof ox was the highest(1. 97%)among animal reservoir hosts,which contaminated the marshlandseriously.Living styles were are the main ways for people to contact infected water. The inves-tigation of KAP showed that the people’s awareness of anti-Schistosomiasis was very low. Theincrease of moving people also aggravated epidemic situation.更多还原