A mother brought her 5-year-old son to the doctor concerned about a widespread rash that had developed on his trunk over the last 2 days. A few days prior to the rash, the boy developed a fever, cough, eye discharge, and rhinorrhea. The patient and his mother were Afghan refugees who had recently resettled in the United States.
On physical examination, the patient appeared ill with a fever of 103°F (39.4°C), and conjunctival injection was seen. A truncal eruption consisting of smooth, erythematous papules and patches was also seen. An examination of the mouth revealed minute, white papules on the buccal mucosa. Vaccination and medical history were unknown.
What’s the diagnosis?
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