<prompt> The probable interval between throat infection and onset of rheumatic fever is:2-4 hours2-4 days2-4 weeks2-4 months  <response>: Ans. c 2-4 weeksRef: Robbins 9thpg 559; 8thpg 566Acute RF typically appears 10 days to 6 weeks after a group A streptococcal infection in about 3 of patients. 