Shared Decision Making to Treat Or Prevent (STOP) HIV in Justice Populations (R33)

Inclusion Criteria: * able to provide written informed consent in English or Spanish; * living in the community of Western, CT, Dallas and Tarrant Counties in TX and Madison County, KY (potential for Fayette county as well); * Those with current justice involvement (with in the past 6 months) (e.g., prison, jail, community supervision); * willing to have HIV testing to determine negative or positive status; * persons with HIV who report not currently taking ART in past 6 months OR persons who test negative for HIV who report not taking PrEP that meet CDC PrEP eligibility criteria in past 6 months, including (i) condomless sexual intercourse; and/or (ii) sharing IDU equipment with HIV positive or unknown status partner; and/or (iii) bacterial STI and; * Having a history of opioid and/or stimulant use in the last 6 months within the community. Exclusion Criteria: * severe medical or psychiatric disability making participation unsafe; * unable to provide consent. * persons self-reporting pregnancy