Image of the Week: Macular Rash on Both Legs

A 20-year-old man presents with a 5-day history of intermittent high fever, retro-orbital headache, and vomiting after returning from a trip to Colombia. Examination reveals a macular rash on both legs, and a complete blood count reveals leukopenia.

What is the most likely diagnosis?

Learn more about this case, take the quiz, and join the conversation on Figure 1.

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