高州市2011～2014年土源性线虫病流行状况调查

Survey of soil-transmitted nematodes in Gaozhou city during 2011-2014

目的了解高州市2011~2014年土源性线虫病流行变化情况,探讨其影响因素,为土源性线虫病的防控提供科学依据。方法采用改良加藤厚涂片法,对监测点常住居民土源性线虫感染进行调查,采用透明胶纸肛拭法对监测点学校6~12岁部分学生进行蛲虫卵检查。结果 4年共调查3 962人,感染者493人,平均感染率为12.44%,共检出4种寄生虫,感染以钩虫为主,未见蛔虫感染;2011年最低（8.72%）,2014年最高（15.24%）,感染率有呈上升趋势,各年间感染率差异有统计学意义（P〈0.01）。结论高州市土源性线虫感染率近四年呈上升趋势,因此需加大经费投入,加大防控知识宣传,进步提高民众防控知识和自保护意识。

Objective To understand the change of soil-transmitted nematode epidemic and explore the main influencing factors in Gaozhou, so as to provide scientific basis for making control strategies. Methods The modified Kato＇ s thick smear method and cellophane tape anal swab method were used to monitor the infection rate of soil-transmitted nematode infections in residents of monitoring sites in Gaozhou city. Results A total of 113 962 people were surveyed in g years,and 493 people were infected ,the average infection rate was 12.44%.The infection rate of soil--transmitted nematodes in Gaozhou wason the rise. The infection rate was the lowest in 2011 （8.72%）, and the highest in 2014 （15.24% years）showing statistically significant difference （P〈0.01） ; No statistically significant difference in the infection rates between different genders was found .The infection rate of soil-transmitted intestinal nematodes was higher among farmers and middle aged and elderly people showing statistically significant diffeernce（P〈0.01）;4 species of parasites were detected with hookworm infection predominated and no ascaris infection was detected.Toilet harmless treatment rate was higher in rural areas.Conclusion The soil-transmitted nematodes infections in Gaozhou city for nearly four years is on the rise. Thus a large sum of fund be invested in combination with strengthening of health propaganda to raise the knowledge and self-prevention levels among the residents.