FIG. 2.
Bacterial persistence in the bladders of mice infected with UPEC. Bladders were removed from the indicated mice 6 weeks after intraurethral infection with UTI89 (M1 to M5) or UTI89 SR (M6 to M15), and the bacterial titers in the tissue were determined. K, Kidney scarring; B, persistent bacteriuria; U, uninfected.