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Survival of mice inoculated with increasing doses of the Y. pseudotuberculosis Δhfq strain. Groups of 5 mice were injected intraperitoneally with a ketamine-xylazine cocktail immediately prior to intragastric inoculation with Y. pseudotuberculosis (103 CFU) or 10-fold-increasing doses of the Y. pseudotuberculosis Δhfq strain (103 to 107 CFU). Data are representative of 2 independent experiments.
