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
Chemoprophylaxis is not required in? 
Select and explain. 
A. Typhoid, B. Meningococcal meningitis, C. Bacterial conjunctivitis, D. Malaria
A: Typhoid
Answer: A: Typhoid 
Explanation: Ans. is 'a' i.e., Typhoid