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': 'Hepatitis B infection spreads through all of the following routes except \nSelect and explain. \nA. Blood transfusion, B. Sexual contact, C. Faeco oral route, D. Perinatal transmission', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]