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What is Xavier and yogender stay in the same hostel of same university. Xavier develops infection due to group B meningococcus. After few days yogender develops infection due to Group C meningococcus. All of the following are true statements except - and explain in detail?
Park&;s texbook of Preventive and Social Medicine 23rd edition Page no: 166 Currently available meningococcal vaccines include polysaccharide vaccines and polysaccharide-protein conjugate vaccines. Both vaccines are available against meaningococci of serogroup A, C, W135 and Y