system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 49-year-old man comes with odynophagia, abdominal pain, fatigue, headache, and fever for several weeks. The patient reports no chronic medical problems, no travel, and no recent sick exposures. Physical examination is significant only for an erythematous oral mucosa and cervical lymphadenopathy. His vital signs show a blood pressure of 121/72 mm Hg, heart rate of 82/min, and respiratory rate of 16/min. On a review of systems, the patient reports regular, unprotected sexual encounters with men and women. Of the following options, which disease must be excluded?
assistant
Primary HIV infection