Streptococcus Pyogenes

A previously healthy, 14-year-old girl is admitted to the hospital after complaints of painful swelling of her lower lip, with periodic spotty, blood-tinged drainage from several discrete areas with overlying dark scabs.

A 4-year-old boy comes to your office with a sore right ear. The problem was first noted about 3 days ago with the onset of some minor discomfort.

A 14-day-old female was taken to an urgent care clinic with multiple paronychia, involving a thumb and both great toes, that began 5 days earlier.