Populations of E. sakazakii strains 2855 (□), 3231 (○), 3234 (▵), 3295 (⋄), 3439 (▪), and 3396 (•) grown in TSB, IFB, or LJB at 12 or 25°C for up to 10 days. Arrows indicate early stationary phase of growth for strains 3231, 3234, 3295, and 3396 at 12°C and all test strains at 25°C.