Fig. 3From: Prevalence and distribution of exposure to Schmallenberg virus in Irish cattle during October 2012 to November 2013County-level herd SBV prevalence, and the spatial distribution of herds positive to SBV, based on active surveillance. The colour and size of each dot refers to the number of animals per farm that were positive to SBV. a During November 2012–January 2013. b During June–August 2013. c During October–November 2013Back to article page