A 3-month-old boy is brought to the clinic by his mother ...

A 10-year-old girl is admitted to the pediatric floor with a sore throat and high fever. She was feeling well until 2 days ago when the mother noticed that she was coughing, febrile, and complaining of a sore throat. She was seen in the office by your partner who started her on oral penicillin. ................
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