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目的了解当前洱源县血吸虫病主要传染源,为因地制宜地实施以传染源控制为主的综合防治策略提供科学依据。方法从洱源县随机抽取3个自然村、调查当地居民、家畜和野鼠血吸虫病感染情况。结果 2010年在3个自然村共调查居民631人,估算感染率为0.96%;采用病原学方法检查牛、马、骡、猪和野鼠分别为270、19、19、29和175头(只),发现阳性牛2头,其余未见阳性;采用病原学方法检查当地居民、牛、羊、猪、马和犬的野粪共367份,发现居民和犬的野粪阳性率分别为5.88%和14.00%,其余野粪未见阳性。人、犬和牛3种宿主的潜在污染指数(IPC)分别为0.0324、0.0328和0.0004。结论人、犬、牛在洱源县血吸虫病传播中起着重要作用,是当前该县的主要传染源。
Objective To understand the main source of schistosomiasis in Eryuan County and provide a scientific basis for the implementation of a comprehensive prevention and control strategy based on source control. Methods Three natural villages were randomly selected from Eryuan County to investigate the prevalence of schistosomiasis among local residents, domestic animals and rodents. Results A total of 631 residents were surveyed in 3 villages in 2010, with an estimated infection rate of 0.96%. Etiological examination of 270, 19, 19, 29 and 175 (only) cattle, horses, mules, The results showed that there were 367 positive samples of cattle, sheep, sheep, pigs, horses and dogs. The positive rates of the stools of residents and dogs were 5.88% and 14.00 %, The rest of the stool no positive. The Potential Contamination Index (IPC) of humans, dogs and cattle were 0.0324, 0.0328 and 0.0004, respectively. Conclusion Human, canine and cattle play an important role in the transmission of schistosomiasis in Eryuan and are the main source of infection in the county at present.