A previously healthy 7-year-old had 1 week of fevers, productive cough, and lethargy, which did not improve after 3 days of oral cefuroxime. He lived in a rural area and had close contact with dogs, cattle, and sheep. White blood cell count was 8000/μL, with 25.8% eosinophils; computed tomography showed a ruptured right upper lobe pulmonary cyst and 3 liver cysts. What is the diagnosis and what would you do next?

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