From the Centers for Disease Control and Prevention. Update: West Nile Virus activity--eastern United States, 2000.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology; D001717:Birds; D009033:Culicidae / Q000821:virology; D004196:Disease Outbreaks; D005260:Female; D006734:Horse Diseases / Q000453:epidemiology; D006736:Horses; D006801:Humans; D008297:Male; D008873:Mid-Atlantic Region / Q000453:epidemiology; D008875:Middle Aged; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000175:diagnosis / Q000453:epidemiology* / Q000662:veterinary*; D014902:West Nile virus / Q000302:isolation & purification