Microbiology What is the etiological agent for buruli ulcer which usually occur in the tropics? A Mycobacterium ulcerans B Mycobacterium marinum C Mycobacterium kansasii D Mycobacterium fouitum 💡 Explanation What is the etiological agent for buruli ulcer which usually occur in the tropics? ✓ Correct Answer: A. Mycobacterium ulcerans