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Bacterial counts in mouse organs at 24 h postinfection (A) or 96 h postinfection (B). Mice were infected intranasally with a bacterial mixture containing 5 × 104 bacteria of wild type (Kp52145) (●) or ompA mutant (52OmpA2) (○). Results were reported as log cfu/g of tissue. *, results are significantly different (p < 0.05; one-tailed t test) from the results for Kp52145.
