Citrobacter freundii

**Definition:** A species of gram-negative, facultatively anaerobic, rod-shaped bacteria found in humans and other animals including MAMMALS; BIRDS; REPTILES; and AMPHIBIANS. It has also been isolated from SOIL and WATER as well as from clinical specimens such as URINE; THROAT; SPUTUM; BLOOD; and wound swabs as an opportunistic pathogen.

**Tree numbers:** - B03.440.450.425.200.275 - B03.660.250.150.100.210

**Synonyms:** - Bacterium freundii - Citrobacter ballerupensis - Escherichia freundii - Salmonella ballerup - Salmonella hormaechei