A patient comes in with abrupt onset fatigue, malaise, nausea, vomiting, anorexia, and abdominal pain several days ago. Today, he noticed dark urine, light stool, and pruritis. Social history is notable for travel to one of the red countries on the map below about 30 days ago. He denies drinking, smoking, drugs, and risky sexual activity. On exam, you find mild jaundice and a RUQ abdominal mass.
Challenge: Knowing the epidemiology of this disease, what's your diagnosis?
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