Practice question

Answer the question and get instant feedback.

A 3-year-old unvaccinated child presents with a high fever (39.5°C), cough, coryza, conjunctivitis, and a widespread erythematous maculopapular rash that started on his face and spread downwards. Koplik's spots are noted on his buccal mucosa. What is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.