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. 2022 Aug 5;10(8):1577. doi: 10.3390/microorganisms10081577

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© 2022 by the authors.

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 (https://creativecommons.org/licenses/by/4.0/).

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Geographical distribution of the population studied. (A) The three colors represent the total number of isolates for each country, as defined in the legend (n = sample size). (B) The pie chart represents the sample size for each continent and the relative percentage of the population compared to all subjects included in the study. * Europe without Italy. This image was modified starting from the file BlankMap-World-v6.png from the Wikimedia Commons free media repository; GNU Free Documentation License.