Seasonal cystitis.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003556:Cystitis / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D012621:Seasons; D014552:Urinary Tract Infections / Q000453:epidemiology*; D014887:Weather