RESUMO
OBJECTIVE: To evaluate the effect of comprehensive control of clonorchiasis in demonstration plot in Yangshan County so as to popularize it. METHODS: Five areas in the east, south, west, north and center of Yangshan County were randomly sampled as the investigation spots, where the comprehensive control measures centered on health education and infectious source control were carried out. The baseline data were collected and the control effect was evaluated in the final term in 2009. RESULTS: The infection rate of Clonorchis sinensis decreased from 14.01% in 2006 to 6.87% in 2009, with the reduction rate of 50.96% (Chi2 = 36.37, P < 0.01), and the decline rates in the 5 investigation areas were 33.15%, 37.86%, 55.74%, 45.91% and 71.38%, respectively. CONCLUSIONS: The effect of comprehensive control measures in demonstration plot of in Yangshan County is significant, and it has achieved the goal of the national demonstration county of parasitic disease control, which requests for 40% decline in the infection rate.