<prompt> Meningococcal polyvalent vaccine is routinely recommended to:Adolescents young malesAll healthy children between 5-7 years of ageMore than 50 years of age diabetic patients on regular insulin40 years old paramedical staff working in laboratory  <response>: Ans. b. All healthy children between 5-7 years of age Ref: Park 23e p166, 22e p157Quadrivalent polyvalent vaccines are administered as a single dose to individuals aged _ 2 years.- Park 22e p157Meningococcal VaccinesPolysaccharide VaccinesConjugate Vaccines Available against Meningococci of serogroup A, C, W135, and Y. Types:- Bivalent A, C- Trivalent A, C, W135- Quadrivalent A, C, W135, Y Polysaccharide vaccines are administered as a single dose to persons 2 years old Most of these vaccines are given subcutaneously MC reaction is 1-2 days of pain and redness at the site of injection in 4-56 of recipients More immunogenic, induce immunogenic memory Types:- Monovalent A or C- Quadrivalent A, C, W135, Y Given as IM injection, preferably in deltoid muscle or in the anterolateral aspect of thigh in children 12 months Monovalent Men A conjugate vaccine should be given as a single dose to individuals 1-29 years of age For Monovalent Men C conjugate vaccine, one single IM dose is recommended for children aged 12 months, teenagers and adults. Children 2-11 months of age require 2 doses administration at an interval of at least 2 months and a booster about 1 year thereafter. Quadrivalent vaccines are administered as a single dose to individuals aged 2 years. 