This microbe is frequently isolated from the respiratory tract and urinary tract of humans and from blood. It is an opportunistic pathogen of the urinary tract and has been associated with antibiotic-resistant outbreaks in hospitals. It may be an infrequent cause of bacteremia in neonates from nosocomial infection. It can also be isolated from natural environments, such as sewage, soil, and foods. It has also been reportedly isolated from cosmetic products. It is a Gram negative straight rod occurring in singles and pairs, which exhibits motility using peritrichous flagella. Gas is produced from glucose. Growth is at 35-37 C.