A 40-year-old woman presents with diarrhea and abdominal pain that began 3 days after returning from a trip to Central America. Her symptoms include watery diarrhea, fever, and cramping abdominal pain. She denies recent antibiotic use or contact with ill individuals. Stool microscopy shows comma-shaped, motile, Gram-negative rods. What is the most likely complication associated with this infection?
