This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Principles of Immunization and Vaccination, Subject name: Social & Preventive Medicine
[{'content': '17 D strain is used to prepare which vaccine - \nSelect and explain. \nA. OFV, B. Rubella, C. Chicken pox, D. Yellow fever', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Yellow fever VaccineStrainso RubellaR A 27/3olPV(Salk)}P1, P2, P3 strains (mono or trivalent)o OPV (Sabin)o Measles Edomonston Zagreb strain (most common) Schwarts strain Mortaten straino MumpsJeryll Lynn straino Chicken poxOKA straino BCGDanish 1331o JENakayam strain (MC), Beizing P3 strain, SA 14-14-2o Yellow fever17 Do MalariaSPf.66, Pf 25o HIVmvA (modified vaccinia ankara)rAAV (recombinant adeno associated viral)AIDSVAXSubunit vaccine strain", 'role': 'assistant'}]