AIDS Cases Category Reported 2002 Percent 2002 Reported 2003 Percent 2003 Difference (# of Cases) Percent Change Total Cases 1981-2003 Total Percent 1981-2003 Race Ethnicity White, not Hispanic 642 29% 468 36% -174 -27% 11,450 38% Black, not Hispanic 1,243 55% 650 50% -593 -48% 14,782 49% Hispanic* 334 15% N/A N/A N/A N/A 3,549 12% Asian/Native American 21 1% 18 1% -3 -14% 253 1% Unknown 0 0% 7 1% N/A N/A 7 0% Unknown 1 0% 158 12% 157   164 1% TOTAL 2,241 100% 1,301 100% -940 -42% 30,206 100% Gender Male 1,750 78% 1,030 79% -720 -41% 25,333 84% Female 491 22% 271 21% -220 -45% 4,873 16% TOTAL 2,241 100% 1,301 100% -940 -42% 30,206 100% Transmission (Male) MSM 929 53% 628 61% -301 -32% 15,219 60% Injection Drug Use (IDU) 355 20% 153 15% -202 -57% 5,458 22% MSM/IDU 102 6% 24 2% -78 -76% 1,783 7% Heterosexual Contact 124 7% 56 5% -68 -55% 1,040 4% Blood Trans/Hemophilia 16 1% 10 1% -6 -38% 448 2% Perinatal 3 0% 2 0% -1 100% 114 0% Unknown 221 13% 157 15% -64 -29% 1,271 5% TOTAL 1,750 100% 1,030 100% -720 -41% 25,333 100% Transmission (Female) Injection Drug Use (IDU) 154 31% 68 25% -86 -56% 2,209 45% Heterosexual Contact 258 53% 123 45% -135 -52% 1,911 39% Blood Trans/Hemophilia 5 1% 3 1% -2 -40% 151 3% Perinatal 1 0% 1 0% 0 0% 137 3% Unknown 73 15% 76 28% 3 4% 465 10% TOTAL 491 100% 271 100% -220 -45% 4,873 100% Geography Metropolitan Chicago** 2,006 90% 1,164 89% -842 -42% 26,170 87% Chicago*** 1,635 73% 893 69% -742 -45% 20,854 69% Downstate 235 10% 137 11% -98 -42% 4,036 13% TOTAL 2,241 100% 1,301 100% -569 -42% 30,206 100% *  Based on federal standards for classifying data on race and ethnicity effective January 1,2003 Hispanic is reported as an ethnicity instead of race. **  Includes Cook, DuPage, Kane, Lake, McHenry, and Will counties ***  Chicago is included in Metropolitan Chicago cases Illinois Department of Public Health 535 West Jefferson Street Springfield, Illinois 62761 Phone 217-782-4977 Fax 217-782-3987 TTY 800-547-0466 Questions or Comments