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': 'Use of one of the following vaccination is absolutely contra indicated in pregnancy - \nSelect and explain. \nA. Hepatitis - B, B. Cholera, C. Rabies, D. Yellow fever', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .people who should not be vaccinated for yellow fever includes, children aged under 9 months pregnant women people with severe allergies to egg protein. people with severe immunodeficiency caused by symptomatic HIV/AIDS or other causes or in the presence of thymus disorder. ref:park&;s textbook,ed22,pg no 258', 'role': 'assistant'}]