Abstract:

From February to March 2014， six natural villages in Zhoucheng Town， Binchuan County of Yunan Province， were randomly selected by cluster sampling. Serum anti-fascioliasis IgG was detected by ELISA. The sero-positive individuals were further tested for Fasciola infection using sediment detection with nylon bag（260 meshes） and Kato-Katz method. Among 1 207 sampled persons， the sero-positive rate was 3.0%（36/1 207）. The rate in males and females was 2.3%（12/530） and 3.6%（24/677）（u=1.46， P＞0.05）. The sero-positive rate in Zhoucheng Village and Baizhuang Village was 4.0%（24/616） and 2.0%（12/591）， respectively（u=2.07， P＜0.05）. The positive rate of stool examination in serum-positive persons was 6.5%（2/31）. One stool-egg-positive patients was the case in 2012 outbreak， and the eggs were stale. The other patient was newly infected， and further clinical diagnosis indicated that it was a case of chronic fascioliasis.

Key words: Fascioliasis, Epidemiology, Diagnosis, Binchuan