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Validation of the dT fermentation PCR using nine Salmonella serovar Paratyphi B reference strains. The PCR control strains were Salmonella serovar Typhi CVD 908-htrA, Salmonella serovar Paratyphi A ATCC 9150, and Salmonella serovar Paratyphi B 431. The Salmonella serovar Paratyphi B reference strains included five dT fermenters and four dT nonfermenters.
