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目的了解安徽省人畜血吸虫感染状况,为制定防治策略提供依据。方法在全省19个血吸虫病疫情未控制县的每个县随机抽取3个未控制村(少于或等于3个的每个村必查)开展人畜感染情况调查。人群查病采用IHA法对6～65岁常住居民进行筛查,受检率不低于90%,阳性者全部以Kato-Katz法(一粪三检)进行病原学检查。对所有敞放的牛和羊的检查采用粪便直接毛蚴孵化法。结果疫情未控制村人群血吸虫平均感染率为0.52%,最高为3.96%。耕牛感染率平均为1.86%,最高为4.92%;共检查羊394头,均为阴性。结论安徽省人畜血吸虫感染率的下降达到了疫情控制标准。
Objective To understand the infection status of human and animal schistosomiasis in Anhui Province, and to provide basis for the prevention and control strategy. Methods A total of 3 uncontrolled villages (less than or equal to 3 in each village) were randomly selected from each county in 19 counties without control of schistosomiasis in the province to carry out a survey of human and livestock infections. In the population, the IHA method was used to screen the residents aged 6 ~ 65 years. The tested rate was not less than 90%. All the positives were tested by Kato-Katz method. Inspection of all open cattle and sheep using direct fecal faecalis hatching method. Results The average infection rate of schistosomiasis in uncontrolled village was 0.52% and the highest was 3.96%. Cattle infection rate was 1.86% on average, up to 4.92%; a total of 394 sheep were examined, were negative. Conclusion The decline of infection rate of human and animal schistosome in Anhui Province has reached the control standard of epidemic situation.