Spatial and temporal variation in reported numbers of human TBE infections from 2001-2008. The central map shows the distribution of TBE infection of entire Germany for the entire study period. Maps depicting the annual distribution of human TBE infections for the study area (States of Baden-Württemberg and Bavaria) are arranged clockwise around the central map. Data source: Robert-Koch Institut: SurvStat, http://www3.rki.de/SurvStat. Accessed: 02/04/2009.