TY - GEN TI - West Nile virus activity--United States, August 21-28, 2002, and Illinois, January 1-August 27, 2002 SN - 0149-2195 PY - 2002///0917 KW - Adolescent KW - Adult KW - Aged KW - Aged, 80 and over KW - Animals KW - Bird Diseases KW - virology KW - Birds KW - Child KW - Child, Preschool KW - Culicidae KW - Female KW - Horse Diseases KW - Horses KW - Humans KW - Illinois KW - epidemiology KW - Male KW - Middle Aged KW - Population Surveillance KW - United States KW - West Nile Fever KW - West Nile virus KW - isolation & purification N1 - Publication Type: Journal Article ER -