United Kingdom

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Disclaimer: Data points were taken from published literature (see reference list). Additional data: Funding for resistance testing in the United Kingdom was provided by the University of Reading, the Rodenticide Resistance Action Committee (RRAC) and the Campaign for Responsible Rodenticide Use (CRRU) UK. DNA extraction and sequencing was conducted at the laboratories of the University of Reading and the Animal and Plant Health Agency. Geographical co-ordinates were rounded to a level of uncertainty, which does not allow to conclude on addresses with confirmed resistance on the map. The center of a coloured resistance spot deviates by minimum 2km from the site of resistance sampling.