A 20-year-old man comes to the physician for evaluation of severe itchiness in the right foot. The patient returned a week ago from a trip to Italy, during which he consumed raw seafood and walked barefoot on the beach. Temperature is 37.7°C (99.9°F), blood pressure is 115/73 mmHg, and pulse is 82/min. Physical examination reveals a serpiginous, pruritic rash at the lateral aspect of the right foot. Cardiac, pulmonary, and abdominal examinations are unremarkable. Which of the following is the most likely cause of this patient’s condition?

Ancylostoma duodenale and Necator americanus