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 the following are true statement except:

Ans. is 'c' i.e., Vaccine prophylaxis of contacts of Xavier style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif">Ref: For Group B Meningococci no vaccine is available as polysacchride capsule of Group B is poorly immunogenic and it is also encephalitogenic due to cross reactive antigen on neural cells.* But recently FDA has approved Serogroup B meningococcal vaccines (Recombinant) - (Bexsero- and Trumenba-. These two, newly licensed serogroup B meningococcal vaccines are an important step forward for controlling serogroup B meningococcal disease, especially in outbreak settings. For outbreaks caused by serogroup B meningococcal disease, vaccination with a serogroup B meningococcal vaccine is recommended for those 10 years or older identified as being at increased risk because of the outbreak.