| Male Exposure | June 1995 to July 1996 | Percent |
| Men who have sex with men | 120 | 50 |
| Injecting drug use | 11 | 5 |
| Men who have sex with men and inject drugs | 8 | 3 |
| Hemophilia/coagulation disorder | 14 | 6 |
| Heterosexual contact | 12 | 5 |
| Risk not reported or identified | 77 | 32 |
| Male Subtotal | 242 | 100 |
| Female Exposure | June 1995 to July 1996 | Percent |
| Injecting drug use | 18 | 5 |
| Hemophilia/coagulation disorder | -- | -- |
| Heterosexual contact | 114 | 34 |
| Receipt of blood transfusion, Facter 9, etc. | 3 | 1 |
| Risk not reported or identified | 199 | 60 |
| Female Subtotal | 344 | 100 |