Fig. 1

Microbiological results. A The spinal fluid specimen appeared cloudy. B Numerous Gram-negative rods were present in the spinal fluid along with inflammatory findings with increasing numbers of neutrophils (Gram stain, ×1000 original magnification). C Results of assessments of Chromobacterium haemolyticum colonies on TSA II 5% sheep blood agar after a 48-h culture at 37 °C, showing yellow colonies with clear β-hemolysis, D Presence of lactose nondegradable colonies on BTB lactose-added agar, E Presence of transparent microcolonies on MacConkey II agar