[Prevalence of hydatid disease in Baiyin City of Gansu in 2011].

This study was performed to determine the prevalence of hydatid disease in Baiyin District, Pingchuan District, Jingyuan County, and Jingtai County of Baiyin City in Gansu Province during June-December, 2011. Echinococcus infection in human was investigated by serological assay and type-B ultrasound examination. Sheep and dogs were dissected for pathological examination and their fecal samples were determined by ELISA. The prevalence of hydatid disease in human was 0.29%(52/17,699). There was significant difference among different education levels, different districts, and age groups (P < 0.05). The sero-positive rate in children was 2.98%(198/7,376). The infection rate in sheep was 2.83%(142/5,026). The fecal antigen positive rate in dogs was 3.84% (73/1,902).