Siberian Subtype Tickborne Encephalitis Virus, Finland
Figure 1. The known distribution of tickborne encephalitis (TBE)–virus endemic areas and Ixodes ticks in northern Europe. Yellow: TBE-endemic areas, adapted from International Scientific Working Group on Tick-Borne Encephalitis (8). To the south and west from the solid line, Ixodes ricinus distribution; to the east from the dashed line, I. persulcatus distribution; Lpr, Lappeenranta; EST, Estonia; LV, Latvia; LT, Lithuania.