title: Laboratory confirmed positive cases of equine West Nile virus in Alberta in 2003.
authors.affiliation: Office of the Chief Provincial Veterinarian, Alberta Agriculture, Food and Rural Development, Edmonton.
authors.forename: Gerald W
authors.initials: GW
authors.lastname: Ollis
authors.forename: Lisa A
authors.initials: LA
authors.lastname: Morin
authors.forename: Annette L
authors.initials: AL
authors.lastname: Visser
mesh_terms: D000367:Age Factors; D000416:Alberta / Q000453:epidemiology; D000818:Animals; D001715:Bird Diseases / Q000453:epidemiology*; D001717:Birds; D009033:Culicidae / Q000821:virology*; D005260:Female; D006734:Horse Diseases / Q000453:epidemiology*; D006736:Horses; D006801:Humans; D007303:Insect Vectors / Q000821:virology*; D008297:Male; D012307:Risk Factors; D012621:Seasons; D014901:West Nile Fever / Q000453:epidemiology / Q000662:veterinary*; D014902:West Nile virus / Q000276:immunology