Citrobacter amalonaticus

An aerobic gram-negative bacillus that grows readily on most microbiological media producing a smooth colony. It is part of the normal intestinal flora of humans and animals and is isolated from soil, water, sewage, and food. It is an opportunistic pathogen for humans causing extraintestinal infections (meningitis, abscesses, and septicemia) but probably does not cause diarrhea.

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