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Regional microbiota differences based on stool 16S rRNA gene analysis. Principal coordinate analysis (PCoA) based on the Bray-Curtis index (a) and on the Jaccard index (b), color coded by origin. Individuals below 10 years of age are labeled specifically. c Variance explained by the individual coordinates, color coded by index measure. Others: refugees from Albania, Armenia, Chechnya, India, Kosovo, Lebanon, Somalia, Turkey, and Yemen
