关键词: 疟疾, 澜沧江-湄公河上游, 流行病学方法

Abstract: Objective To learn the epidemical status of malaria in Weixi county and provide scientific evidence for the establishement of malaria control measure. Methods Collect the epidemic datum of malaria from 1997 to 2007 in Weixi county, carry out the investigation on malaria vector and infectious source, and know the control situation of malaria through discussion with professionals. Results Weixi county was the origin of malaria prevalence at upstream of Lancangjiang-Meigong river and its incidence of malariae reached 50.31 per ten thousand in 1987. It still didn't reach the criterion of malaria control and had the local infection malaria cases and input malaria cases, though malaria incidence fell in recent year. Anopheles kunmingensis, the main vector, accounted for 26.45%. The long-incubation Plasmodium vivax was prevalent, and malaria can exist above 1800 miter elevation. Conclusion Weixi county belongs to unsteady malaria prevalent district. The local malaris patients could not be diagnosed timely and cured early because of the funds shortage, old facilities, professional detection personnel shortage and the lack of management skill of malaria in the field. It suggested that some relevant department should more attention to malaria control in Weixi county, so as to strengthen the capacity of malaria control through taking some measure such as reinforcing technology training, facilities supply and anti-malaria pharmaceuticals.