Streamlining the Efficiency of PrEP Implementation

Inclusion Criteria: For HIV-negative participants: * Of legal age (≥18 years) * Able and willing to provide written informed consent for research component of the project (blood draw for adherence, brief surveys and in-depth qualitative interviews) * HIV uninfected based on negative HIV tests, per Kenya national guidelines * Currently or previously accessed PrEP at participating HIV clinic For Key delivery informants: * Able willing and able to provide consent in order to participate in the survey and qualitative interviews. * Works at any of the clinics implementing PrEP delivery. Key informants may include HIV testing service nurses, counselors, clinicians, social workers, or clinic managers. Exclusion Criteria: * Not meeting any of the inclusion criteria listed above.