包头地区健康儿童弓形虫感染血清学调查分析

Serological survey of Toxoplasma infection among healthy children in Baotou

目的了解包头地区健康儿童弓形虫感染现状,为制定防治策略提供科学依据。方法采集包头地区0～14岁健康儿童静脉血568份,以ELISA法检测血清弓形虫Ig G。结果弓形虫Ig G阳性31人,阳性率为5. 46%,除新生儿组外,其余各组弓形虫Ig G抗体阳性率有随年龄增长而升高的趋势,但差别无统计学意义(χ~2=8. 015,P>0. 05);男女儿童弓形虫Ig G阳性率分别为6. 16%和4. 79%,差异无统计学意义(χ~2=0. 512,P> 0. 05);城镇、农村、牧区居住儿童阳性率分别为1. 92%、7. 02%和8. 33%,差异有统计学意义(χ~2=8. 227,P <0. 05);汉族、蒙古族、回族、满族及其他少数民族儿童阳性率分别为4. 63%、8. 91%、3. 85%和6. 45%,不同民族儿童Ig G阳性率差异无统计学意义(χ~2=3. 063,P> 0. 05)。结论包头地区健康儿童中存在弓形虫感染,应加强健康教育,谨防儿童弓形虫感染,确保儿童身体健康。

Objective To explore the infection status of Toxoplasma infection among the healthy children in Baotou city,provide the scientific evidence for the strategy of treatment and prevention. Methods Five hundred and sixty-eight venous blood samples which from 0 to 14 years old healthy children were collected and measured by using ELISA. Results The positive rate of toxoplasma gondii Ig G was 5. 46%; the positive rate of Ig G antibody of Toxoplasma gondii in different age groups showed an increasing trend with the increase of age except for the group of neonates,but there was no significant difference（ χ2= 8. 015,P 〉 0. 05）. The positive rate of Ig G antibody of toxoplasma gondii of boys and girls were 6. 16% and 4. 79%,there was no significant difference between the boys and the girls（ χ2= 0. 512,P 〉 0. 05）. The positive rate was 1. 92% in urban areas; the positive rate was 7. 02% in rural areas; the positive rate was 8. 33% in pastoral areas. There was significant difference between the different place of residence（ χ2= 8. 227,P 〈0. 05）. The positive rate of Han nationality was 4. 63%; the positive rate of Mongolian was 8. 91%; the positive rate of Hui nationality was 3. 85%; the positive rate of Man nationality was 6. 45%; there was no significant difference between the nation（ χ2= 3. 063,P 〉0. 05）. Conclusion Toxoplasma Gondii infection exists among the healthy children in Baotou city. Health education should be strengthened to prevent Toxoplasma gondii infection in children and ensure children＇s health.