We report a severe case of Chromobacterium haemolyticum pneumonia associated with near-drowning and detail the investigation of the pathogen and river water. Our genomic and environmental investigation demonstrated that river water in a temperate region can be a source of C. haemolyticum causing human infections.
Keywords: Chromobacterium haemolyticum; Japan; bacteria; environment; pneumonia; respiratory infections; whole-genome sequencing.