This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Medicine
[{'content': 'Quadrivalent Meningococcal vaccine is not used for? \nSelect and explain. \nA. Serotype A, B. Serotype B, C. Serotype C, D. Serotype Y', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Serotype BRef: Harrison 19th ed. /1002* There are currently three vaccines available in the USA to prevent meningococcal disease, all quadrivalent in nature, targeting serogroups A, C, W-135, and Y.* Meningococcal polysaccharide or conjugate vaccines provide no protection against serogroup B disease and MenB vaccines provide no protection against serogroup A, C, W or Y disease. For protection against all 5 serogroups of meningococcus it is necessary to receive both vaccines.* Only recently vaccine targeting serogroup B has also been created and is protein based.TRADE NAMETYPE OF VACCINESEROGROUPS INCLUDEDYEAR LICENSEDAPPROVED AGESMenomunePolysaqccharideA, C, W, Y19812 year and olderMenactraConjugateA, C, W, Y20059 months-55 yearsMenveoConjugateA, C, W, Y20102 months-55 yearsMenHibrixConjugateC, Y, and Hib20126 weeks-18 monthsTrumenbaProteinB201410-25 yearsBexseroProteinB201510-25 years', 'role': 'assistant'}]