This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Vaccine for yellow fever - \nSelect and explain. \nA. Vi polysaccharide, B. RA 27\\/3, C. 17 D, D. OKA stain', 'role': 'user'}, {'content': 'Answer: C \nExplanation: <p> yellow fever vaccine:- 17 D vaccine Live attenuated prepared from a non virulent strain (17D strain). Administered subcutaneously at the inseion of deltoid . Single dose 0.5 ml irrespective of age. Revaccination after 10 years. Storage: +5 to -30 deg celcius. Yellow fever vaccine production centre in India- central research institute, kasauli. Protection offered after 10 days of injection. {Reference: park&;s textbook of preventive and social medicine, 23rd edition, pg no.283}</p', 'role': 'assistant'}]