system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Two girls in the same class are diagnosed with meningococcal meningitis Their 12 yr old close friend is in fear of contracting dis what advice should be given to her
assistant
The correct answer is  Meningococcal conjugate vaccine mcv 4 have new largely replaced meningococcal polysaccharide vaccine Mps in prevention of meningococcal dis CDC recommends that all adolescents should recieve meninegiococcal conjugate vaccine MCV 4 IM =1stdose at 12 12 years and booster at 16 years ref : ananthanaryana