This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Bank & Transfusion Therapy, Subject name: Medicine
[{'content': 'Which of the following infection has highest chances of transmission by blood transfusion? \nSelect and explain. \nA. HIV, B. HBV, C. HTLV-1, D. HCV', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hepatitis B virus (HBV) infection has highest chances of transmission by blood transfusion. Risk is also present for various other infections: Hepatitis C virus HIV HTLV-1 CMV Parvovirus-B19 Malaria Babesiosis Dengue Zika virus', 'role': 'assistant'}]