Fig. 1From: Stable levels of Coxiella burnetii prevalence in dairy sheep flocks but changes in genotype distribution after a 10-year period in northern SpainSpatial geographical location of 46 sheep farms in northern Spain sampled in 2005 and 2015 and their Coxiella burnetii status. Negative flocks (ELISA and PCR negative on bulk tank milk) are represented as green dots, where as positive flocks (ELISA and/or PCR BTM-positive) are shown as red dotsBack to article page