We used multivirulence locus sequence typing to analyze 68 Yersinia pseudotuberculosis isolates from patients in Russia during 1973-2014, including 41 isolates from patients with Far East scarlet-like fever. Four genotypes were found responsible, with 1 being especially prevalent. Evolutionary analysis suggests that epidemiologic advantages could cause this genotype's dominance.
Keywords: Enterobacteriaceae; FESLF; Far East scarlet-like fever; Russia; Yersinia pseudotuberculosis infections; bacteria; bacterial CNF1; bacterial infections; clonal evolution; multilocus sequence analysis; scarlet fever; skin diseases; yopE protein (Yersinia).