Aim 2: (a) To pilot and evaluate an adaptive intervention to link newly diagnosed HIV-positive female youth to treatment and care services; and (b) To identify barriers and facilitators to seeking HIV care services after receiving a positive diagnosis; (c) To identify barriers and facilitators to seeking HIV prevention services for high risk female youth after receiving a negative HIV test result; (d) To provide an HIV prevention intervention to a randomly selected subset of high risk negatives, and to re-test them; and