This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
Chronic carrier is seen in 
Select and explain. 
A. Measles, B. Whooping cough, C. Typhoid, D. Influenza
C: Typhoid
Answer: C: Typhoid 
Explanation: A chronic carrier is one who shed infectious agent for indefinite periods Seen in Typhoid, Hepatitis B, Dysentery, Cerebrospinal meningitis, Malaria, Gonorrhoea Reference; Park&;s Textbook of Preventive and Social medicine; 24th edition; Page no. 101