title: West Nile virus activity--United States, September 15-21, 2004.
abstract: During September 15-21, a total of 218 cases of human West Nile virus (WNV) illness were reported from 21 states (Arizona, California, Florida, Illinois, Indiana, Kansas, Maryland, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Utah, Wisconsin, and Wyoming).
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000818:Animals; D001715:Bird Diseases / Q000821:virology; D001717:Birds / Q000821:virology; D001782:Blood Donors; D002648:Child; D002675:Child, Preschool; D009033:Culicidae / Q000821:virology; D004283:Dog Diseases / Q000821:virology; D004285:Dogs / Q000821:virology; D005260:Female; D006734:Horse Diseases / Q000821:virology; D006736:Horses / Q000821:virology; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance; D012589:Sciuridae / Q000821:virology; D014481:United States / Q000453:epidemiology; D014901:West Nile Fever / Q000453:epidemiology*; D014902:West Nile virus / Q000302:isolation & purification*