This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
[{'content': 'Haematogenous spread to brain occurs in following infection except \nSelect and explain. \nA. Naegleria, B. Ent. histolytica, C. Strongyloides, D. P. falciparum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Naegleria # In case of Nagleria fowleri, human infection comes through water containing the amoebae and usually follows swimming or diving in ponds.> Amoebae invades through the olfactory nerve branches in the cribriform plate into the meninges and brain to initiate an acute purulent meningitis and encephalitis (primary amoebic meningoencephalitis).', 'role': 'assistant'}]