title: West Nile virus activity--United States, June 30-July 6, 2004.
abstract: During June 30-July 6, a total of 21 human cases of West Nile virus (WNV) illness were reported from two states (Arizona and California). During 2004, eight states have reported a total of 78 human cases of WNV illness to CDC through ArboNET. Of these, 57 (73%) were reported from Arizona. Forty-seven (61%) of the 78 cases occurred in males; the median age of patients was 53 years (range: 1-84 years); the dates of illness onset ranged from April 23 to June 28; and one case was fatal.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000818:Animals; D001715:Bird Diseases / Q000821:virology; D001717:Birds / Q000821:virology; D001782:Blood Donors; D002648:Child; D009033:Culicidae / Q000821:virology; D005260:Female; D006734:Horse Diseases / Q000821:virology; D006736:Horses / Q000821:virology; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000453:epidemiology*; D014902:West Nile virus / Q000302:isolation & purification*