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
Carrier state is not seen in which infection: September 2010 
Select and explain. 
A. Tetanus, B. Ameobiasis, C. Peussis, D. Diphtheria
A: Tetanus
Answer: A: Tetanus 
Explanation: Ans. A: Tetanus