| epidemiology of west nile infection in volgograd, russia, in relation to climate change and mosquito (diptera: culicidae) bionomics. | in 1999, there was the large outbreak of west nile fever (wnf) in southern russia (>500 cases in the volgograd province). in 2000-2004, the wnf incidence rate decreased steadily to zero, but a new outbreak occurred in 2007 (64 cases). the analysis of historical climate data for volgograd from 1900 to present showed that the years 1999 and 2007 were the hottest ones due to a very mild "winter" (dec.-mar.) and a hot "summer" (june-sep.). there are up to 15 potential wnf vectors in volgograd, but o ... | 2008 | 19030885 |