Gram positive cocci in chains, beta-hemolytic
Reservoir is human skin and oropharynx/mucous membranes.
Person-to-person transmission.
Occasionally foodborne.
Exhaustive and fascinating list.
Most common manifestations are:
Tonsillopharyngitis ("Strep throat")
Skin infections (impetigo, erysipelas, cellulitis)
Other invasive infections:
Bacteremia
Endocarditis
Necrotizing fasciitis
Meningitis
Toxic shock syndrome
Pneumonia
Other sterile space infections.
Post-infectious immunologically mediated phenomena such as glomerulonephritis and rheumatic fever.
Scarlet fever.
Post-exposure prophylaxis may be indicated.
Pathogens
