This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Veical transmission is seen in - \nSelect and explain. \nA. Herpes simplex, B. Leprosy, C. Tetanus, D. Whooping cough', 'role': 'user'}, {'content': 'Answer: A \nExplanation: . veical transmission means the passage of an infectious agent from mother to fetus ,and this is seen with infections such as rubella,herpes simplex,HIV,toxoplasma,cytomegalovirus etc. ref:park&;s textbook,ed 22,pg no 90', 'role': 'assistant'}]