Acute rheumatic fever occurs most frequently in children and adolescents aged 5 to 15 years.
Answer
True
Explanation
Incidence peaks between ages **5 and 15 years** and is uncommon before age 5 or after age 25. **Key takeaway:** School-age children and adolescents are the principal age group. **Glossary:** Incidence: frequency of new cases in a population.