Researchers at Purdue are optimistic that the findings could help relieve opioid abuse.
The needle-exchange program approved in Scott County has seen 175 visitors, collected an estimated 15,964 needles, and provided 20,279 needles.
Counties near the center of the HIV outbreak don't have the money or manpower to offer HIV testing and other resources to concerned residents.
State health officials say what brought their attention to Scott County was a combination of HIV, Hepatitis C and injection drug use, all in one setting.
Kokomo-native Ryan White became the face of HIV in the 1980s, spreading awareness about the largely misunderstood disease.
Health officials say they've known there was a drug problem in Scott County for at least the past decade.
The Indiana State Department of Health is reporting 72 confirmed HIV cases believed to be linked to the intravenous use of a prescription drug.
Health officials have confirmed cases of influenza A in humans, but they say people should not worry about an epidemic.