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Photograph / Copyright CDC
Map showing the world distribution of the Japanese Encephalitis virus serocomplex of the virus family Flaviviridae in 2000. (W170.25May08.w1) Note the distribution of West Nile virus in blue, including Africa, parts of Eurasia, and a very small part of North America. Compare to the maps of West Nile Virus in the USA for 2000 to 2007.