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: Medicine
Carrier stage is not seen in - 
Select and explain. 
A. Diphtheria, B. Typhoid, C. Hepatitis - B, D. Whooping cough
D: Whooping cough
Answer: D: Whooping cough 
Explanation: None