Epidemiology
In UK general practice, recurrent sore throat has an annual incidence of 100 in 1000 population.[3] Acute tonsillitis is more common in children between the ages of 5 to 15 years.[1] The prevalence of bacterial tonsillitis, specifically group A streptococci (GAS), is 5% to 15% of cases of pharyngitis in adults and 15% to 30% of cases in children.[1][2]
Acute tonsillitis is most commonly seen in winter and early spring in temperate climates, although it may occur at any time of the year.[1][4][5]
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