title: The cause of tonsillitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004739:England; D005260:Female; D006801:Humans; D007244:Infectious Mononucleosis / Q000150:complications; D008297:Male; D010612:Pharyngitis / Q000453:epidemiology / Q000209:etiology; D012621:Seasons; D013290:Streptococcal Infections; D014069:Tonsillitis / Q000453:epidemiology / Q000209:etiology*; D014777:Virus Diseases