Environmental factors effective on malaria prevalence in Rudan county during 2003 to 2011

malaria is an infectious disease which infected 200-300million people anually. Environmental factors such as percipitation, temperature, and humidity effect it's geografical distrbution and prevalence. In addition, environmental factors effects the abundance and activity of malaria vectors.the aim of the study was finding the relationship between climate and malaria prevalence in araudan county. to conduct this analytical- discriptive study,nine year climatology data frome 2003 to 2011were obtained from Rudan synoptic station and the number of malaria infection cases were taken from Rudan health center.Spss ver. 19, Exell softwares and Person corelation test were used for data analysis. this study showed Rudan county as a malaria foci with 396 cases of malariainfection and malaria prevalence in this study was 3.7 in 1000 population. this study showed a significant negative correlation between malaria prevalence and the mean of percipitation and mean of relative humidity. In addition the results showed a significant and positive corellation between malaria prevalenceand the mean of minimum temperature and the mean of maximum temperature.