Social & Preventive Medicine The following statements about meningococcal meningitis are true except – A The source of in fection is mainly clinical cases B The disease is more common in dry and cold month of the year C Chemoprophylaxis of close contacts of cases is recommended D The vacciens is not effective in children below 2 year of age 💡 Explanation The following statements about meningococcal meningitis are true except - ✓ Correct Answer: A. The source of in fection is mainly clinical cases