This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Commonest age group for infant botulism is 
Select and explain. 
A. 1 to 3 weeks, B. 2 to 4 months, C. 10 to 12 months, D. 7 to 9 Months
B: 2 to 4 months
Answer: B: 2 to 4 months 
Explanation: .