Pediatrics To prevent acute rheumatic fever, acute pharyngitis due to group A streptococci should be treated with antibiotics before: A 7 days of illness B 8 days of illness C 9 days of illness D 10 days of illness 💡 Explanation To prevent acute rheumatic fever, acute pharyngitis due to group A streptococci should be treated with antibiotics before: ✓ Correct Answer: C. 9 days of illness