湖北省潜江市血吸虫病疫情趋势分析

Endemic situation of schistosomiasis in Qianjiang city

目的通过分析监测数据,掌握2006-2008年湖北省潜江市血吸虫病疫情变化情况。方法在潜江市设立4个疫情监测点,每年对监测点疫情开展纵向观察与分析。结果 2006-2008年监测点居民平均感染率逐年下降,分别为3.35%,2.97%,1.77%;3年内男性血吸虫感染率均比女性高,居民感染年龄高峰后移,2006年为40～50岁,2007,2008年为50～60岁;3年内,均未发生急性感染病例和新发晚期感染病例;耕牛感染率明显下降,分别为10.75%,6.83%,5.18%;3年内,钉螺感染率均维持在较低水平,但有螺面积缩减不明显。结论 2006-2008年潜江市4个监测点血吸虫病人、畜感染率逐渐下降,但有螺面积仍较大,应继续加强疫情监测,探索更有效的防治对策,防止血吸虫病疫情出现反复。

Objective To study the endemic trend of schistosomiasis in Qianjiang city through analyzing surveillance data from 2006 to 2008.Methods Four surveillance sites for schistosomiasis were established in Qianjiang.Longitudical surveillance and analysis on the endemic situation of schistosomiasis were annually carried out.Results The infection rates among the residents decreased gradually from 2006 to 2008 with an annual rate of 3.35%,2.97% and 1.77%,respectively.The infection rates of male were higher than that of female from 2006 to 2008.A higher infection rate was observed in the residents at the age of 40-50 years in 2006 and at the age of 50-60 in 2007 and 2008.There was no acute case or new infection case of advanced stage during the period.The infection rates of cattle decreased year by year（10.75%,6.83% and 5.18%）.The infection rates of snail were at a relatively low level for three years,but the area of snail habitating didn＇t decrease obviously.Conclusion Although the infection rates of the residents and animals decreased from 2006-2008,the area of snail habitating was still at a high level.More effective preventive strategies for schistosomiasis should be taken to control the endemic of the disease.