[Surveillance results of national monitoring sites for soil-transmitted nematode infections in Xinchang County from 2009 to 2017].

Objective: To understand the infection status of soil-transmitted nematodes in Xinchang County, so as to offer the evidence for the formulation of control measures.

Methods: The infection of soiltransmitted nematodes in residents was investigated by using the Kato-Katz method and cellophane anal swab.

Results: A total of 3 069 people were examined in 2009, 2012 and 2017, of which 1 520 people were male and 61 people were infected, with the infection rate of 4.01%; 1 549 were women and 54 people were infected, with the infection rate of 3.48%. The infection rates of soil-transmitted nematodes in 2009, 2012 and 2017 were 4.60%, 4.29% and 2.35%, respectively, and the total infection rates were decreased (χ = 7.151, < 0.05).

Conclusions: The rate of soil-transmitted nematode infection in Xinchang County is declining, and it is at a low epidemic level.