Microbiology Which of the following helminths primarily produces gastrointestinal symptoms, without lung involvement, during the course of its infection? A Dirofilaria immitis B Strongyloides stercoralis C Trichuris trichiura D Ascaris lumbricoides 💡 Explanation Which of the following helminths primarily produces gastrointestinal symptoms, without lung involvement, during the course of its infection? ✓ Correct Answer: C. Trichuris trichiura