Streptococcus pyogenes

Streptococcus pyogenes The bacterial cause of strep throat (streptococcal pharyngitis), impetigo, rheumatic fever, scarlet fever, glomerulonephritis, invasive fasciitis, strep skin infections, and rheumatic fever. Also known as Streptococcus haemolyticus and group A streptococcus. See also PANDAS; rheumatic fever; strep throat; streptococcus; Sydenham chorea.