This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other hea diseases in children, Subject name: Pediatrics
[{'content': 'According to American hea association & world hea federation 2015 criteria, low risk is defined as having An Acute Rheumatic Fever incidence <---------- per 100,000 school aged children per year? \nSelect and explain. \nA. 1, B. 2, C. 0.1, D. 0.01', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - As per AHA & world hea federation 2015 criteria: Low risk is defined as having an Acute Rheumatic Fever incidence <2 per 100,000 school aged children (5-14 yrs) /year or Prevalence of RHD of <1 per 1000 population per year .', 'role': 'assistant'}]