Experience in the implementation of epidemiological surveillance of West Nile fever in the Volgograd region

West Nilefever (WNF) is the most important arbovirus infectionfor the Volgograd region. The observed decrease in the WNF incidence from 2001 to 2006, in 2008 and2009, the reducing the number ofsevere forms ofdiseases only give evidence ofa temporary regression of the epidemic process in the territory of the Volgograd region. In the territory of the Volgograd region there are prerequisites and harbingers of the complication of epidemiological situation on West Nile fever. The aim of the performed in the Volgograd region epidemiological surveillance for WNF is to provide the information necessary and sufficient for the analysis of the epidemiological situation, as well as to determine the direction of policy and activities in public health and in making management decisions.