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Chilean map and strain distribution according to the vacA alleles. Map of Chile including the location of the cities where biopsies were taken. The corresponding vacA alleles, as well as the number of strains and patients are displayed (*). Two patients, one from Iquique and the other from Santiago, had mixed infections. Chronic Active Gastritis (CG), Gastropathy Group (GG), Peptic Ulcer Disease (PUD). Total amount of strains = 245.
