Yersinia enterocoliticaYersinia InfectionsYersiniaSerotypingO AntigensAdhesins, BacterialVirulenceBacterial Outer Membrane ProteinsPlasmidsAntibodies, BacterialDNA, BacterialMolecular Sequence DataLipopolysaccharidesYersinia pseudotuberculosisBacterial ProteinsYersinia pseudotuberculosis InfectionsFood Microbiology