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: Pathology
[{'content': 'Least common mode of transmission of HIV? \nSelect and explain. \nA. Homosexual contact, B. Heterosexual, C. IV drug abuse, D. Transfusion of blood products', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Transfusion of blood product o Homosexual or Heterosexual contact -4 50-70% o IV drug abuse --> 25% o Recipient of blood and blood components --> 1% o Hemophiliaes receiving factor VIII or IX 0.5%", 'role': 'assistant'}]