This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pathology
The probable interval between throat infection and onset of rheumatic fever is: 
Select and explain. 
A. 2-4 hours, B. 2-4 days, C. 2-4 weeks, D. 2-4 months
C: 2-4 weeks
Answer: C: 2-4 weeks 
Explanation: Ans. (c) 2-4 weeks(Ref: Robbins 9th/pg 559; 8th/pg 566)Acute RF typically appears 10 days to 6 weeks after a group A streptococcal infection in about 3% of patients.