infectious diseases
Meningococcal Diseases
Diseases Caused by Meningococci
Over 90% of meningococcal infections involve Acute Bacterial Meningitis None Meningococcemia (See also Bacterial Meningitis in Infants Over 3 Months of Age .) Infections of lungs, joints, respiratory passageways, genitourinary organs, rectum, eyes, endocardium, and pericardium may occur but are less common. may also cause Proctitis , primarily in men who have sex with men. 