This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Not true about meningococcal meningitis 
Select and explain. 
A. Is gram negative organism, B. Carriers are the source of infection, C. Carriers are treated with penicillin, D. Transmitted via droplet infection
C: Carriers are treated with penicillin
Answer: C: Carriers are treated with penicillin 
Explanation: Carriers are treated with Rifampicin.