streptococcus A type of bacterium responsible for many common infections, including sore throat, tonsillitis, scarlet fever, impetigo, cellulitis, erysipelas, and puerperal fevers; a related organism is a common cause of pneumonia and one type may cause endocarditis on damaged heart valves. Penicillin is the antibiotic of choice. Rheumatic fever and Bright's disease are late immune responses to streptococcus. Related categories • HEALTH AND DISEASE • MICROBIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |