Objective: To understand the species, density and seasonal variation of malaria vectors in Jiangsu Province, so as to provide scientific evidence for malaria control.
Methods: From 2005 to 2009, 5 towns in Jiangsu Province were selected as surveillance sites, and the species of malaria vectors and their density and seasonal variation were studied by the outdoor and indoor trapping methods. The data of malaria cases were analyzed by the circular distribution method.
Results: Only Anopheles sinensis was captured in the 5 surveillance sites from 2005 to 2009, and its density peak was mainly appeared in the first half of July. The peak incidence of malaria was on 16th August, the distribution of cases was accordant with the seasonal variation of vectors.
Conclusion: The surveillance and control of vectors should still be strengthened in the malaria control, so as to prevent the epidemic from rebounding as the increase of the density of Anopheles sinensis.
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