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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Correlation between the prevalence of presumptive ESBL producing E. coli in pork meat and in fattening pigs in 2015 (orange color) and 2017 (blue color). Country codes used according to ISO 3166.