A 28-year-old man from rural India presents with a 3-week history of watery diarrhea, abdominal cramps, and fever (38.5°C). Stool microscopy shows motile, comma-shaped gram-negative bacilli. Culture on Campy food agar at 42°C yields oxidase-positive colonies. What is the most appropriate next step in management?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.