Engagement in Care

Active Projects: 131

Project Investigator All Topics Start date End date
BCP and HBAC Cost-Effectiveness Analysis George Rutherford, MD HIV/AIDS, Tuberculosis, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence, Health Systems Strengthening, Training and Capacity Building, Patient and Peer Education
UCSF/PHP Men of Color Program (MOCP) Engagement in Care, Risk Reduction and Prevention, Patient and Peer Education
HIV Translation Research for Young African American MSM Susan Kegeles, PhD HIV/AIDS, Access or Barriers to Care, Engagement in Care, Risk Reduction and Prevention
Street START (Street Testing and Rapid Testing) Project Colette L. Auerswald, MD, MS HIV/AIDS, Adolescent Health, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care
Redes En Accion: National Latino Cancer Research Network Eliseo Perez-Stable, MD Cancer/Oncology, Immigration and Migration, Engagement in Care
HIV Prevention for African American Down Low Men Susan Kegeles, PhD HIV/AIDS, Engagement in Care, Risk Reduction and Prevention, Patient and Peer Education
Positive Health Access to Service and Treatment (PHAST) HIV/AIDS, Engagement in Care
Community-level Outcome Monitoring Project (CLOMP) Engagement in Care, Risk Reduction and Prevention
HIV Prevention for African American Down Low Men Susan Kegeles, PhD HIV/AIDS, Engagement in Care
Regional Capacity Building in Low Incidence Areas Philip Hopewell, MD Tuberculosis, Epidemiology and Surveillance, Engagement in Care
Clinical Care Response Team Introduction of Antiretroviral Therapy in Elizabeth Glaser Pediatric AIDS Foundation Sites Diane Havlir, MD HIV/AIDS, Engagement in Care, Health Systems Strengthening, Training and Capacity Building
HIV Prevention for Transgender Individuals Susan Kegeles, PhD HIV/AIDS, Engagement in Care
Recruiting, Engaging, and Retaining Families for Interventions to Prevent HIV Transmission and Infection in Delinquent African American Adolescents on Probation HIV/AIDS, Engagement in Care, Treatment Adherence
Pilot Telehealth Project to Increase Access to Health Services for African American Men Living with HIV or AIDS HIV/AIDS, Engagement in Care
AIM: Assessing the Adaptation Implementation of Mpowerment Engagement in Care, Risk Reduction and Prevention
Project Evaluation for Lyon-Martin Health Clinic E. Michael Reyes, MD, MPH Stigma and Discrimination, Engagement in Care
Positive Health Access to Services and Treatment (PHAST) Engagement in Care, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention
Do Differences in Community Viral Load Explain Disparities in HIV Incidence? Eric Vittinghoff, PhD HIV/AIDS, Epidemiology and Surveillance, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention
Multi-Level Modeling of the Treatment Gap Laura Schmidt, PhD Engagement in Care, Substance Abuse
High School Program in Biomedical and Health Sciences Engagement in Care, Training and Capacity Building
Evaluation Strategies of Lost to Follow-Up in Western Kenya Jeffrey Martin, MD, MPH Engagement in Care
Community-level HIV Prevention Intervention for Young Black Men Susan Kegeles, PhD HIV/AIDS, Implementation and Behavioral Science, Engagement in Care
A San Francisco Street Youth Cohort: At-Risk and HIV+ Anna-Barbara Moscicki, MD HIV/AIDS, Adolescent Health, Engagement in Care, Risk Reduction and Prevention, Training and Capacity Building, Patient and Peer Education
Enhanced Comprehensive HIV Prevention Planning and Implementation for Metropolitan Statistical Areas Most Affected by HIV/AIDS Stephen Morin, PhD HIV/AIDS, Engagement in Care, Risk Reduction and Prevention
Developing an International Research Program in AIDS and Substance Abuse [I] Norman Hearst, MD, MPH HIV/AIDS, Engagement in Care, Health Systems Strengthening
AIDS Research and Services at SF General Hospital Diane Havlir, MD HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention
Health Research with Diverse Populations Timothy Lane, PhD, MPH Access or Barriers to Care, Stigma and Discrimination, Implementation and Behavioral Science, Engagement in Care, Substance Abuse, Treatment Adherence
Colorectal Cancer Screening with FIT during Annual Flu Shot Clinics Michael Potter, MD Cancer/Oncology, Engagement in Care, Patient and Peer Education
Imaging and Tissue Biomarkers in Patients with Newly Diagnosed Glioblastoma Multiforme (GBM) Noncommunicable and/or Chronic Disease, Engagement in Care
Framework for Private Health Sector Engagement in Myanmar Dominic Montagu, DrPH Health Economics and Effectiveness, Engagement in Care
UCSF Mount Zion Prenatal Care for Vulnerable Populations Women's Health, Labor and Delivery, Newborn and Infant Health, Engagement in Care
Research Translation and Community Outreach Core John Balmes, MD Engagement in Care
HOME: A Comprehensive HIV Testing and Linkage Package for Young MSM of Color Nancy Hessol, MSPH HIV/AIDS, Access or Barriers to Care, Engagement in Care, Risk Reduction and Prevention
Home Based Care Service Assessment Services - Tanzania George Rutherford, MD HIV/AIDS, Engagement in Care
CHRP for Integrating HIV and Geriatric for People Living with HIV 50 and Over HIV/AIDS, Engagement in Care, Health Systems Strengthening
Targeted Recruitment Education and Advertising Trials (TREAT) Celia Kaplan, DrPH Engagement in Care
Client satisfaction and community perception of the GAIA mobile health clinics in southern rural Malawi: A mixed methods study Amy Sacco, MS HIV/AIDS, Engagement in Care, Health Systems Strengthening, Training and Capacity Building
The impact of follow-up care on HIV-infected individuals in the Mulanje district, Malawi: a qualitative study Nicole Schouwenaar, MS HIV/AIDS, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
A Home-Based Couples Intervention to Enhance Prevention of Mother-to-Child-Transmission (PMTCT) and Family Health in Kenya Lynae Darbes, PhD HIV/AIDS, Women's Health, Engagement in Care, Treatment Adherence
Classification in the Public Provision of Care: Trans Health in North and South America Janet K. Shim, PhD HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care
Enhancing Care Engagement and Re-engagement Edwin Charlebois, PhD HIV/AIDS, Engagement in Care, Treatment Adherence
Structural Determinants of the Patient Experience of HIV Care in Tyler, Texas Emma Botta, MS HIV/AIDS, Engagement in Care, Treatment Adherence
The Impact of Hand Hygiene Medical Aid Films on the Healthcare Workers' Hand Hygiene Practices at Ndola Central Hospital, Zambia: a Mixed Methods Study Hanna Larson, MS Infectious Disease, Pediatrics, Epidemiology and Surveillance, Engagement in Care
Study of Uptake, Continuation and Removal of the IUC Diana Foster, PhD Women's Health, Engagement in Care, Treatment Adherence
Comparative Effectiveness of Pediatric HIV Disclosure Interventions in Uganda Rachel King, PhD, MPH HIV/AIDS, Pediatrics, Health Economics and Effectiveness, Engagement in Care, Treatment Adherence, Health Systems Strengthening, Training International Scholars and Clinicians
Positive Health Access to Services and Treatment (PHAST) Monica Gandhi, MD, MPH HIV/AIDS, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
R24 for the CFAR-Network for the Integrated Clinical Sciences, CNICS HIV/AIDS, Implementation and Behavioral Science, Engagement in Care
Exploring Relationship Factors and Engagement in HIV Care in South Africa Amy Conroy, PhD HIV/AIDS, Engagement in Care
Process Evaluation and Toolkit Development in Support of Family Planning Integration into HIV Care & Treatment in Kenya Craig Cohen, MD, MPH HIV/AIDS, Women's Health, Family Planning, Newborn and Infant Health, Adolescent Health, Engagement in Care, Health Systems Strengthening
Differentiated care for improved health systems efficiency and health outcomes in Zambia (Efficient Health) Implementation and Behavioral Science, Engagement in Care, Treatment Adherence, Health Systems Strengthening
East Bay Test and Connect HIV/AIDS, Engagement in Care
Addiction recovery residences to improve health outcomes in high-risk men Engagement in Care, Substance Abuse, Treatment Adherence
Self-Conducted HIV Tests - Improving HIV Prevention in Key Populations Sheri Lippman, PhD, MPH HIV/AIDS, Access or Barriers to Care, Engagement in Care
RCT of an integrative intervention for non-treatment-seeking meth users HIV/AIDS, Implementation and Behavioral Science, Engagement in Care, Substance Abuse
University of California Global Health Institute Program for Fellows and Scholars Craig Cohen, MD, MPH Sexually Transmitted Infections (STIs), Zoonosis, Emerging Disease, and Drug Resistance, Neglected Tropical Diseases (NTDs), HIV/AIDS, Opportunistic Infection, Tuberculosis, Malaria, Noncommunicable and/or Chronic Disease, Surgery and Anesthesia, Cancer/Oncology, Cardiovascular Disease, Chronic Respiratory Disease, Diabetes, Occupational and Environmental Disease, Diet, Exercise, and Obesity, Malnutrition, Micronutrients, Food Insecurity, Eye Disease and Blindness, Oral Health, Drug and Diagnostics Development, Immunology, Genetics, Pharmacology and Drug Treatment, Neurology and Mental Health, Dementia and Cognitive Impairment, Trauma and PTSD, Women's Health, Aging, Labor and Delivery, Family Planning, Pediatrics, Newborn and Infant Health, Adolescent Health, Health Economics and Effectiveness, Access or Barriers to Care, Immigration and Migration, Stigma and Discrimination, Smoking and Tobacco, Policy and Standards of Care, Systematic Reviews and Guideline Development, Epidemiology and Surveillance, Triangulation, Global Strategic Information, Implementation and Behavioral Science, Engagement in Care, Substance Abuse, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention, Residencies, Fellowships, and Postdoctoral Training
360: The Positive Care Center - Men of Color Program (MOCP) - Integrated Case Management HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care, Treatment Adherence
Reducing Failure-to-Initiate ART: Streamlined ART Start Diane Havlir, MD HIV/AIDS, Access or Barriers to Care, Implementation and Behavioral Science, Engagement in Care
Innovative incentive strategies for sustainable HIV testing and linkage to care Gabriel Chamie, MD HIV/AIDS, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
Culturally Appropriate Interventions of Outreach, Access HIV/AIDS, Access or Barriers to Care, Engagement in Care
Assertive Case Management and Motivational Interviewing for Homeless or Marginally Housed MSM of Color Who Are Substance Users with Co-Occurring Mental Illness: a Program Expansion James Dilley, MD Neurology and Mental Health, Access or Barriers to Care, Stigma and Discrimination, Implementation and Behavioral Science, Engagement in Care, Substance Abuse, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention
A qualitative study of transitions of care for children with special healthcare needs living in Spanish-speaking households Pediatrics, Access or Barriers to Care, Immigration and Migration, Engagement in Care
Development of an HIV Self-testing Intervention to Reduce HIV risks among MSM: Taking the Guess Out of Seroguessing Chongyi Wei, DrPH HIV/AIDS, Access or Barriers to Care, Engagement in Care
Better Information for Health in Zambia Implementation and Behavioral Science, Engagement in Care, Health Systems Strengthening
A peer educator-delivered HIV self-testing intervention for female sex workers in Zambian border towns Catherine Oldenburg, ScD, MPH HIV/AIDS, Access or Barriers to Care, Engagement in Care, Treatment Adherence
The Casual Impact of HIV Self-tests on HIV Testing Among Female Sex Workers in Kampala, Uganda Catherine Oldenburg, ScD, MPH HIV/AIDS, Access or Barriers to Care, Engagement in Care, Treatment Adherence, Patient and Peer Education
PREcision Medicine Initiative Enrollment and Retention (PREMIER) consortium Robert Hiatt, MD, PhD Epidemiology and Surveillance, Engagement in Care, Patient and Peer Education
Cambodia Integrated HIV and Drug Prevention Implementation Ellen Stein, MPH Sexually Transmitted Infections (STIs), HIV/AIDS, Women's Health, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
Homeless Female Offenders Returning to the Community: Improving Hopeful Futures Maria Ekstrand, PhD HIV/AIDS, Women's Health, Engagement in Care, Treatment Adherence, Health Systems Strengthening
Out Patient Mental Health Support Group for Heterosexual Identified HIV+ African American Men [I] HIV/AIDS, Engagement in Care, Treatment Adherence, Patient and Peer Education
California Department of Public Health (CDPH) Immunization Branch Contract George Rutherford, MD Infectious Disease, Engagement in Care, Risk Reduction and Prevention
Early Antiretroviral Therapy in Resource Limited Settings in Patients with High CD4+ Cell Counts Vivek Jain, MD HIV/AIDS, Engagement in Care, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention
The Impact of the Affordable Care Act and the Expansion of Medicaid on Racial Disparities in Coronary Reperfusion after Acute Myocardial Infarction Renee Hsia, MD Access or Barriers to Care, Engagement in Care, Treatment Adherence
Culturally Appropriate Interventions of Outreach, Access and Retention among Latino/a Populations - Evaluation and Technical Assistance Center Women's Health, Systematic Reviews and Guideline Development, Implementation and Behavioral Science, Engagement in Care
Addressing Health Disparities among Transgender Women Rachel Kaplan, PhD, MPH HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care
Getting to Zero: Advancing Retention and Re-Engagement in HIV Care Demonstration Project Edwin Charlebois, PhD HIV/AIDS, Engagement in Care, Treatment Adherence
Rx Pix: A Novel Way to Assess Anti-retroviral Adherence with Pharmacy Refill Dates Parya Saberi, PharmD HIV/AIDS, Engagement in Care, Treatment Adherence
UCSF Alliance Health Project--Mission Support James Dilley, MD HIV/AIDS, Engagement in Care, Treatment Adherence
Ending the Epidemic Bruce D. Agins, MD, MPH HIV/AIDS, Engagement in Care, Treatment Adherence
TelePCC: Personalized Cognitive Counseling via Phone to Reduce HIV Risk in MSM James Dilley, MD HIV/AIDS, Engagement in Care, Treatment Adherence
STI Screening as a Combined HIV Prevention Platform for MSM in Peru James Dilley, MD Sexually Transmitted Infections (STIs), HIV/AIDS, Epidemiology and Surveillance, Implementation and Behavioral Science, Engagement in Care
Interactive Mobile Doctor (iMD) for Asian smokers Janice Tsoh, PhD Smoking and Tobacco, Engagement in Care
African American Center of Excellence HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care, Health Systems Strengthening, Patient and Peer Education
Chronic Care HIV/AIDS Multidisciplinary Program (CCHAMP) Center of Excellence HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention, UCSF Professional Education, Patient and Peer Education
Identifying Opportunities to Increase Syphilis Partner Services Uptake and Improve Outcome Measures, San Francisco - Phase II Kim Koester, PhD Sexually Transmitted Infections (STIs), Engagement in Care
Reducing Duration of Untreated Psychosis through Rapid Identification and Engagement Neurology and Mental Health, Engagement in Care
HIV/Drug Abuse Prevention Research Ethics Training Institute John A. Sauceda, MD HIV/AIDS, Access or Barriers to Care, Engagement in Care, Treatment Adherence
Development and Pilot Testing of a Combination Intervention to Reduce Heavy Drinking and Improve HIV Care Engagement among Fisherfolk in Uganda Judith Hahn, PhD, MD HIV/AIDS, Engagement in Care, Substance Abuse, Risk Reduction and Prevention
Spurring Innovation in HIV Testing and Linkage: A Crowdsourcing Approach Chongyi Wei, DrPH HIV/AIDS, Engagement in Care
UCSF Prevention Research Center HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention, Patient and Peer Education
Programmatic Implementation and Technical Assistance (TA) for HIV/AIDS and Tuberculosis (TB) Prevention, Care and Treatment Services throughout the Health System in South Africa George Rutherford, MD HIV/AIDS, Tuberculosis, Engagement in Care, Treatment Adherence
Adaptive Strategies for Preventing and Treating Lapses of Retention in Care (AdaPT-R) HIV/AIDS, Engagement in Care, Treatment Adherence, Health Systems Strengthening
UCSF and IAPAC Fast Track Cities Initiative Bruce D. Agins, MD, MPH HIV/AIDS, Stigma and Discrimination, Engagement in Care, Treatment Adherence
Engagement and retention in tuberculosis care services among people living with HIV in Lusaka, Zambia: does gender matter?​ Andrew Kerkhoff, MD, PhD HIV/AIDS, Tuberculosis, Stigma and Discrimination, Engagement in Care, Treatment Adherence
Using Information to Align Services and Link and Retain Men in the HIV Cascade Shari L. Dworkin, PhD, MS HIV/AIDS, Engagement in Care, Patient and Peer Education
Peer Navigation to Improve Engagement in Care for HIV-Positive MSM in South Africa Timothy Lane, PhD, MPH HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care, Patient and Peer Education
Relationship Factors and Engagement in HIV Care in Malawi: A Dyadic Investigation HIV/AIDS, Engagement in Care
Capacity Building Network Valerie Yerger, ND Smoking and Tobacco, Implementation and Behavioral Science, Engagement in Care, Substance Abuse
Combining 3HP with active case finding to maximize the impact of mass TB screening campaign in the Marshall Islands Christina Yoon, MD, MPH Tuberculosis, Diabetes, Epidemiology and Surveillance, Engagement in Care
Women's Center of Excellence HIV/AIDS, Women's Health, Engagement in Care, Treatment Adherence, Health Systems Strengthening, Patient and Peer Education
California Precision Medicine Research Program Consortium Robert Hiatt, MD, PhD Engagement in Care, Patient and Peer Education
Using Facebook to address smoking and heavy drinking in young adults Danielle Ramo, PhD Smoking and Tobacco, Engagement in Care, Substance Abuse, Treatment Adherence
Engagement in Clinical Care for HIV-Infected Individuals Leaving Jail Kim Koester, PhD HIV/AIDS, Engagement in Care
Sustainable East Africa Research in Community Health Diane Havlir, MD HIV/AIDS, Epidemiology and Surveillance, Engagement in Care, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention, Training International Scholars and Clinicians, Residencies, Fellowships, and Postdoctoral Training
Indian Health Services, Shiprock, NM Lawrence Haber, MD Access or Barriers to Care, Stigma and Discrimination, Engagement in Care, Substance Abuse, Treatment Adherence
Nursing education in malarial settings Kimberly Baltzell, RN, PhD, MS Malaria, Drug and Diagnostics Development, Implementation and Behavioral Science, Engagement in Care, Training and Capacity Building, Training International Scholars and Clinicians, Patient and Peer Education
Medicine as an Instrument of Justice Ari Johnson, MD Implementation and Behavioral Science, Engagement in Care, Health Systems Strengthening, Training and Capacity Building
A Formative Assessment of the Continuum of Care Needs of HIV-Positive Men who Have Sex with Men in Ghana Akua Gyamerah, DrPH, MPH HIV/AIDS, Engagement in Care, Treatment Adherence
PrEP Navigators Services James Dilley, MD HIV/AIDS, Engagement in Care, Treatment Adherence
Overcoming socioeconomic barriers to TB care: the case for social protection Priya Shete, MD Tuberculosis, Engagement in Care, Treatment Adherence
Sustainable approaches to care delivery in Uganda Gabriel Chamie, MD HIV/AIDS, Cancer/Oncology, Cardiovascular Disease, Chronic Respiratory Disease, Diet, Exercise, and Obesity, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
Community Mobilization to Improve the HIV/AIDS Continuum of Care Among Black Men Susan Kegeles, PhD HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention
An analysis of mobile phone access and the achievement of targets along the perinatal care continuum among women of reproductive age in India Sneha Krish, MS Women's Health, Labor and Delivery, Engagement in Care
Activating Treatment as Prevention through Community Mobilization in South Africa Sheri Lippman, PhD, MPH HIV/AIDS, Engagement in Care, Risk Reduction and Prevention
Achieving durable retention in care for PMTCT Option B+: An intervention research Jaco Homsy, MD, MPH HIV/AIDS, Women's Health, Pediatrics, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
Leveraging social and sexual networks to reach young men with HIV testing and linkage services Gabriel Chamie, MD HIV/AIDS, Health Economics and Effectiveness, Engagement in Care, Treatment Adherence
Center for AIDS Prevention Studies HIV/AIDS, Engagement in Care, Substance Abuse, Treatment Adherence, Health Systems Strengthening, Risk Reduction and Prevention, Training and Capacity Building, Residencies, Fellowships, and Postdoctoral Training
Social Media Messaging for HIV Testing in Zimbabwe HIV/AIDS, Access or Barriers to Care, Engagement in Care
Supporting the Safety Net: Social Network Dynamics, Poverty, and Health Janet K. Shim, PhD Engagement in Care
Updating HCV treatment engagement paradigms for HIV/HCV coinfected patients Elise Riley, PhD Infectious Disease, HIV/AIDS, Engagement in Care
Improving Health Outcomes for Women Living with HIV Sheri Lippman, PhD, MPH HIV/AIDS, Access or Barriers to Care, Stigma and Discrimination, Engagement in Care
Substance Abuse and HIV/AIDS Prevention Services for At-Risk, Homeless Youth HIV/AIDS, Adolescent Health, Engagement in Care, Substance Abuse, Treatment Adherence
CareConekta: Mobile health for a mobile population Carol Camlin, PhD HIV/AIDS, Adolescent Health, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention
A Comprehensive Community-based Strategy to Optimize the HIV Prevention and Treatment Continuum for Youth At HIV Risk, Acutely Infected and with Established HIV Infection HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention
In Our Own Words: Peer-to-Peer Messaging to Increase Uptake of HIV Prevention Strategies among Adolescents in Kenya Hong-Ha Truong, PhD, MS, MPH HIV/AIDS, Adolescent Health, Engagement in Care
In Our Own Words: Peer-to-Peer Messaging to Increase Uptake of HIV Prevention Strategies among Adolescents in Kenya Hong-Ha Truong, PhD, MS, MPH HIV/AIDS, Adolescent Health, Engagement in Care
Optimizing HIV counseling testing and referral through an adaptive drug use intervention HIV/AIDS, Engagement in Care
Integrated Community-based Treatment of HIV and Hypertension in Zambia Monika Roy, MD HIV/AIDS, Implementation and Behavioral Science, Engagement in Care, Treatment Adherence
Bring it Down San Francisco: Harnessing cloud-based technology to improve hypertension management in a low-income underserved population Valy Fontil, MD, MAS, MPH Cardiovascular Disease, Engagement in Care, Treatment Adherence
Offering Women with PrEP with Education, shared decision-making and trauma-informed care: the OPENS trial Christine Dehlendorf, MD, MAS HIV/AIDS, Women's Health, Engagement in Care, Treatment Adherence, Health Systems Strengthening
Leveraging Social Networks to Improve Retention in Care and Viral Suppression Among HIV-infected Youth in East Africa Lillian B. Brown, MD, PhD HIV/AIDS, Adolescent Health, Health Economics and Effectiveness, Engagement in Care
Come As You Are - Assessing the Efficacy of a Nurse Case Management HIV Prevention and Care Intervention among Homeless Youth HIV/AIDS, Engagement in Care, Treatment Adherence, Risk Reduction and Prevention