From the Centers for Disease Control and Prevention. Provisional surveillance summary of the West Nile virus epidemic--United States, January-November 2002.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology; D001717:Birds / Q000821:virology; D002648:Child; D002675:Child, Preschool; D009033:Culicidae / Q000821:virology; D004196:Disease Outbreaks; D006734:Horse Diseases / Q000453:epidemiology; D006736:Horses / Q000821:virology; D006801:Humans; D007223:Infant; D008875:Middle Aged; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000453:epidemiology* / Q000635:transmission / Q000662:veterinary*; D014902:West Nile virus / Q000302:isolation & purification