This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': '18 years old male developed meningitis 5 days after taking a bath in pond. The likely causative organism ? \nSelect and explain. \nA. Meningococcus, B. Cryptococcus, C. Naegleria fowleri, D. Enterococcus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Naegleria fowleriPrimary amebic meningoencephalitis (PAM) is an acute, fulminant, and rapidly fatal infection involving the central nervous system. It is caused by the parasite Naegleria fowleri, a free- living ameboflagellate found in soil and fresh or brackish water (lakes rivers, ponds", 'role': 'assistant'}]