EPIDEMIOLOGICAL INVESTIGATION ON CLONORCHIASIS AND EXPLORATION OF TREATMENT MEASURES IN URBAN DISTRICT OF JIANGMEN CITY

Objective To learn the status of Clonorchis sinensis infection in urban district of Jiangmen and explore the measures of treatment, so as to provide the scientific data for the disease control. Methods The mass of different occupations was randomly sampled and the method of fresh water sedimentation was used to examine eggs of C. sinensis. The infection status of different age, sex and occupations were analyzed. At the same time, the infection rates of the first and second intermediate hosts were also investigated. The patients were treated with praziquantel. Results The total infection rate of the C. sinensis in urban district of Jiangmen was 16.30%, and that of 50~ age group was the highest(26.32%). The male infection rate was higher than that of female(χ 2 =108.52, P0.01). The infection rates of the first and second intermediate hosts were 0.24%(7/2921) and 6.94%(5/72), respectively. With the praziquanel, total dosage of 80 mg/kg in two days, to treat the disease could be acquired better curative effect. Conclusion The urban district of Jiangmen is the moderate endemic area of clonorchiasis. The synthetical measures should be taken to control the disease.