A gram-negative, aerobic, motile bacterial species. This organism is found in a variety of environments, generally aquatic, and is pathogenic (disease-causing) for humans. It has been associated with infections of wounds, burns, middle-ear infections, pneumonia, meningitis, gastrointestinal infections and systemic infections. It also causes rash.

A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. Aeruginosa is a major agent of nosocomial infection.

a Gram-negative bacteria that is often found in the lungs of people with CF.