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': 'Risk of HIV transmission is not seen with ? \nSelect and explain. \nA. Whole blood, B. Platelets, C. Plasma derived hepatitis B vaccine, D. Leucocytes vaccines', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Plasma derived hepatitis B vaccine", 'role': 'assistant'}]