This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Neisseria vaccine (MCV-4 and MPSV-4) strains are not protective against: 
Select and explain. 
A. A, B. B, C. C, D. W135
B: B
Answer: B: B 
Explanation: Ans: (b) BRef: Ananthanarayan and Paniker, 9th edition, Page 230Classification of Meningococci - Based on capsular polysaccharide:Group AGroup BGroup CGroup YGroup WMost common strain in IndiaEpidemicsEpidemic and Outbreak Most prevalent in worldwideVaccine not availableLocalized outbreaksSporadicSporadic and Epidemic inSub-Saharan AfricaMonovalent and polyvalent vaccines containing the capsular polysaccharides of group A, C, W-135 and Y are available except for B.