Figure 2From: New endemic foci of tick-borne encephalitis (TBE) identified in districts where testing for TBE was not available before 2009 in Poland Geographical distribution of TBE endemic districts, Poland; a) Provinces selected for active surveillance; b) Endemic districts classified based on average reported rates during 2004–2008; c) Endemic districts classified based on reported rates recorded during 2009; d) Location of the newly identified endemic districts. Back to article page