湖北赤壁市农村儿童隐孢子虫感染情况

目的调查赤壁市农村儿童隐孢子虫感染情况及影响因素，为隐孢子虫病的防治提供依据。方法采取整群抽样方法调查儿童。采集儿童粪便用金胺一酚改良抗酸染色法检查隐孢子虫卵囊。通过问卷了解调查对象一般人口学资料、生活习惯和环境卫生情况等。结果在农村地区共调查1128名儿童，隐孢子虫感染率为3．19％（36／1128），其中小学生和幼儿园儿童分别为3．33％和3．02％，男生和女生隐孢子虫病感染率分别为3．42％和2．89％。临床主要表现为腹泻，以水样便居多。近1年家人寄生虫感染（OR=35．124，95％CI：11．379-108．422）和最近3个月家人患腹泻或痢疾（OR=13．586，95％CI：5．359～34．447）是隐孢子虫子感染的危险因素。结论该地农村儿童存在隐孢子虫的感染，应进一步加强预防隐孢子虫子感染的健康教育和卫生宣传。

Investigation oncryptosporidium infection of children in rural area of Chibi city,Hubei

Objective To investigate the infection status and influencing factors in order to provide basis for cryptosporidiosis prevention and treatment. Methods Cluster sampling method was employed in respondents＇ selection. Cryptosporidium oocysts in stool specimens from children were tested by auramine-phenol and modified acid-fast staining method. Demographic information, lifestyle and sanitation were investigated by questionnaire. Results 1128 children were investigated in this rural area. The total infection rate of cryptosporidium was 3. 19% （36/1128）. The cryptosporidium infection rate in pupils and kindergarten children were 3.33% and 3.02% respectively,male and female was 3.42% and 2. 89% respectively. Watery diarrhea was the main clinical feature in children with infection. Parasitic infection of family members in the past year （ OR = 35. 124, 95% C1： 11. 379 - 108.422） , and family members suffering from diarrhea or dysentery in the past 3 months （ OR = 13. 586,95% CI：5. 359-34. 447 ） were the risk factors for cryptosporidium infection. Conclusion Cryptosporidium infection was found in this part of rural area, Chibi city. Health education and hygiene promotion should be strengthened to prevent cryptosporidium infection.