Gram-Negative, Aerobic Cocci

NEISSERIA
Organisms of the genus Neisseria include N. meningitidis, an important cause of meningitis, bacteremia, and other serious infections in both children and adults; N. gonorrhoeae, a major cause of sexually transmitted diseases, including urethritis, cervicitis, proctitis, pharyngitis, salpingitis, epididymitis, and bacteremia/arthritis; and numerous saprophytic Neisseria sp that commonly inhabit the oropharynx, vagina, or colon but rarely cause human disease.