AI Article Synopsis
- The study aimed to assess the prevalence of hydatidosis (a parasitic infection) among 6- to 12-year-old children in southern Xinjiang, providing data for control measures.
- The researchers conducted B ultrasonic scans and blood tests on 80,429 children from various primary schools, revealing a very low prevalence of hydatidosis (0.01%) and a serum IgG positive rate of 5.21% overall.
- Results indicated higher positivity rates in certain areas, among older children (especially 11 years old), and among Uighur children, with significant differences observed across regions and age groups.
Article Abstract
Objective: To understand the hydatidosis prevalence in 6- to 12-year-old children in southern Xinjiang Uygur Autonomous Region and provide scientific basis for formulation of control measures.
Methods: One primary school was selected from each of the pastoral area, pastoral-agricultural area, agricultural area, and township area in 42 counties （cities） of southern Xinjiang, using the stratified sampling method. With the consent of their parents, B ultrasonic abdominal scan and venous blood collection were performed on all the children （6-12 years） in the selected schools. Serum level of echinococcus antibody IgG was determined by ELISA. Hydatidosis prevalence and the serum level of IgG in these children were analyzed.
Results: A total of 80 429 children were examined from 168 primary schools. B ultrasonic scan revealed hydatidosis in 9 children （0.01%）, comprising 3 cases in Kezhou, 2 in Aksu, 2 in Bazhou, and 2 in Kashi. ELISA results showed that 4 189 children were positive for serum IgG, with a positive rate of 5.21%. The positive rate was highest in Kashi （8.41%, 2 143/25 495）, followed by Aksu （5.69%, 913/16 051）, with significant difference between different areas （χ2=977.303， P<0.01）. The positive rate was lowest in 6-year children （2.13%, 44/2 065） and highest in 11-year children （5.68%, 822/14 462） （χ2=48.221, P<0.01）. In addition, the positive rate was highest in Uighur children（5.19%, 3 899/75 115）, followed by Mongolian children （4.27%, 68/1 592）, with no significant difference between ethnic groups （χ2=4.072, P>0.05）. Among the children of residents, children with a nomadic lifestyle, and children settled in winter and living in a nomadic lifestyle in summer, hydatidosis occurred in 7 residents and 2 children who settled in winter and living in a nomadic lifestyle in summer; and the positive rate of serum antibody was 5.45% （184/77 512）, 2.97% （3/101）, 0.07% （2/2 816）, respectively（χ2=148.609, P<0.01）.
Conclusion: There is a low hydatidosis prevalence in 6- to 12-year-old children in southern Xinjiang, but the positive rate of serum echinococcus IgG in kashgar region, Uighur ethnicity, and children of the resident group are relatively high.
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