【作者】 叶浩风； 叶双岚； 周勇； 胡志刚； 严子锵； 王玉林；

【Author】 YE Hao-feng,YE Shuang-lan,ZHOU yong,et al (The Center for Disease Control and Prevention of Baiyun District of Guangzhou city, Guangzhou,510445,china)

【机构】 广州市白云区疾病预防控制中心； 广州市疾病预防控制中心；

【摘要】 目的对一起由球腹蒲螨引起丘疹性荨麻疹暴发疫情进行流行病学分析,了解幼儿园丘疹性荨麻疹暴发的特点,为以后控制相关疫情提供科学依据。方法采用现场流行病学调查方法 ,对病例及幼儿园环境进行调查,并经实验室镜检,发现引起丘疹性荨麻疹暴发的致病因素。结果该疫情持续34天,共发生丘疹性荨麻疹病例100例,罹患率43.67%。经调查及实验室镜检,发现蛀蚀幼儿坐椅的蠹虫经鉴定为加州粉蠹,通过劈开木椅子的部分虫蛀部分,挑起部分活的加州粉蠹虫实验室镜检,结果发现是寄生其上的球腹蒲螨虫卵引起丘疹性荨麻疹暴发。结论此次疫情为我区幼儿园首起由球腹蒲螨引起丘疹性荨麻疹暴发流行,感染来源为寄生在蛀蚀幼儿坐椅加州粉蠹上的球腹蒲螨虫卵。提示使用木制家具的幼儿园应定期更换、清除所有被蠹虫蛀蚀的木制家具,以防类似事件的再发生。更多还原

【Abstract】 Object To supply scientific measures for controlling the urticaria papulosa epidemic by an- alyzing the urticaria papulosa outbreak caused by Pyemotes ventricosus in nursery school.Methods Investigate every case and circumstances of nursery school through the field epidemiology.Laboratory microscopy results and other information were collected in order to find the cause of the urticaria papulosa outbreak in nursery school.Results 100 cases were reported during the 34 day(the attack rate is 43. 67%) outbreak.By laboratory microscopy,we find that the cause of urticaria papulosa outbreak was resulted from Pyemotes ventricosus worm which was autoecioused in Trogoxylon aequale in wooden chair. Conclusion This urticaria papulosa outbreak epidemic was the first reported in a nursery school of Guangzhou Baiyun district,the infection source is Pyemotes ventricosus worm in wooden chair autoeciousness. It’s necessary to take effective measure to periodic replacement and clean up the wooden chair damaged by worms in nursery school.更多还原