[Longitudinal surveillance of intestinal nematodiasis in Yinghu Village of Wujiang City]

To understand the epidemic dynamics of intestinal nematodiasis in Wujiang City.The residents of Yinghu Village of Wujiang City were investigated with Kato-Katz technique for the infections of intestinal nematodes, and the persons with the infections were administered with anthelmintics and they also received the health education.Of the 5 757 residents, 147 persons were infected with intestinal nematodes, with the average infection rate of 2.55%. The infection rates of hookworm, Ascaris lumbricoides and Tricuris trichiura were 1.96%, 0.49% and 0.24%, respectively. The repeated infection rate was 20.30%, that was 10.36 times higher than the new infection rate (1.96%).There are still regions and populations with high infection rates of intestinal nematodes in Wujiang City where the intestinal nematodiasis has been controlled. Therefore, it is necessary to strengthen the monitoring, prevention and control work.