Gaborone Prevention/Treatment Trials CRS: Gaborone, Botswana

Federal University of Minas Gerais: Belo Horizonte, Brazil

Instituto de Pesquisa Clínica Evandro Chagas Clinical Research Site (IPEC CRS): Manguinhos, Brazil

Hospital Geral de Nova Iguaçu CRS (HGNI CRS): Nova Iguacu, Brazil

Hospital Nossa Senhora da Conceicao CRS: Porto Alegre, Brazil

Irmandade Santa Casa de Misericordia de Porto Alegre, Nucleo de Pesquisa Materno-Infantil - Maternidade Mario Totta: Porto Alegre, Brazil

HSE-Hospital dos Servidores do Estado CRS: Rio de Janeiro, Brazil

Heng County Center for Disease Control and Prevention: Hengzhou Town, China

Yunnan Clinical Research Site: Kunming, China

Guangxi Centers for Disease Control and Prevention, Guangxi Center for HIV/AIDS Prevention and Control: Nanning, China

Xinjiang Autonomous Region Center for Disease Control and Prevention: Urumqi, China

Xinjiang Uygar Autonomous Region Center for Disease Control and Prevention, HPTN Project Office (Xinjiang CRS): Urumqi, China

YRG CARE Medical Ctr., VHS CRS: Chennai, India

NARI Clinic at Gadikhana Dr. Kotnis Municipal Dispensary CRS: Pune, India

NARI Clinic at Jehangir HCJMRI, Jehangir Hosp. and Med. Ctr. CRS: Pune, India

NARI Clinic at NIV CRS: Pune, India

NARI Pune CRS: Pune, India

National AIDS Research Institute, Sassoon General Hospital: Pune, India

National AIDS Research Institute, Talera Municipal Hospital: Pune, India

KEMRI/CDC CRS: Kisumu, Kenya

Malawi College of Medicine-Johns Hopkins University Clinical Research Site: Blantyre, Malawi

University of North Carolina Lilongwe Clinical Research Site: Lilongwe, Malawi

Asociacion Civil Selva Amazonica, CRS: Iquitos, Peru

Asociacion Civil Impacta Salud y Educacion - Miraflores, CRS: Lima, Peru

Asociacion Civil IMPACTA Salud y Education, San Miguel: Lima, Peru

Asociacion Civil Investigaciones Médicas en Salud - Lince, CRS: Lima, Peru

Asociacion Via Libre: Lima, Peru

Centro de Salud Raul Petrucco: Lima, Peru

Asociacion Civil Cayetano Heredia: Pucallpa, Peru

St Petersburg University Biomedical Center: St. Petersburg, Russia

R. K. Khan CRS: Chatsworth, South Africa

King Edward VIII Hospital, Antenatal and Family Clinics: Durban, South Africa

Medical Research Council-Hlabisa: Hlabisa, South Africa

15 Esselen Street Clinic: Johannesburg, South Africa

Soweto HPTN CRS: Johannesburg, South Africa

Witwatersrand Clinical Research Site: Johannesburg, South Africa

CAPRISA Umlazi CRS: Umlazi, South Africa

Muhimbili Univ., Muhimbili Med. Ctr. CRS: Dar es Salaam, Tanzania

Temeke District Hospital: Dar es Salaam, Tanzania

Kilimanjaro Christian Medical CRS: Moshi, Tanzania

Chiang Mai Univ. AIDS Prevention CRS: Chiang Mai, Thailand

Chiang Mai University, Faculty of Medicine, Department of Family Medicine: Chiang Mai, Thailand

Chiang Mai University, Faculty of Medicine, Department of Psychiatry: Chiang Mai, Thailand

Chiang Mai University, Maharaj Nakorn Chiang Mai Hospital, Family Health Clinic: Chiang Mai, Thailand

Fa Mai Clinic: Chiang Mai, Thailand

PEN House: Chiang Mai, Thailand

Sameung Recruitment Center: Sameung, Thailand

Makerere University- JHU Research Collaboration {MUJHU CARE LTD} CRS: Kampala, Uganda

Ponce de Leon Ctr. CRS: Atlanta, United States

Johns Hopkins AIDS CRS: Baltimore, United States

Alabama Microbicide CRS: Birmingham, United States

Fenway Community Health Center: Boston, United States

Bronx-Lebanon Hospital Center Clinical Research Site: Bronx, United States

UNC AIDS CRS: Chapel Hill, United States

Hope Clinic of the Emory Vaccine Center CRS: Decatur, United States

David Geffen School of Medicine at University of California Los Angeles, Center for HIV & Digestive Diseases: Los Angeles, United States

UCLA Vine Street CRS: Los Angeles, United States

Harlem Hospital Ctr./Columbia University CRS (Gordin CTU): New York, United States

Harlem Prevention Center Clinical Research Site: New York, United States

New York Blood Center: New York, United States

New York Blood Center/Union Square CRS: New York, United States

New Jersey Medical School- Adult Clinical Research Ctr. CRS: Newark, United States

University of Pennsylvania Health System, HIV Prevention Research Division: Philadelphia, United States

University of Pennsylvania, RAP Office: Philadelphia, United States

The Miriam Hospital, Department of Immunology, Division of Infectious Disease: Providence, United States

Women and Infants' Hospital: Providence, United States

Wake County Health and Human Services CRS: Raleigh, United States

San Francisco Vaccine and Prevention Clinical Research Site: San Francisco, United States

University of Washington HIV Prevention Clinical Research Site: Seattle, United States

George Washington University CRS: Washington, United States

Center for Infectious Disease Research in Zambia, Chingola District Health Management Team: Chingola, Zambia

Centre for Infectious Disease Research in Zambia: Lusaka, Zambia

Chilenje Clinic, Lusaka District Health Management Team: Lusaka, Zambia

George Clinic CRS: Lusaka, Zambia

Kalingalinga Clinic: Lusaka, Zambia

Kamwala Clinic CRS: Lusaka, Zambia

Kanyama Clinic: Lusaka, Zambia

Matero Reference Clinic: Lusaka, Zambia

University of Zambia, University Teaching Hospital: Lusaka, Zambia

Seke North Clinical Research Site: Chitungwiza, Zimbabwe

Seke South Clinical Research Site: Chitungwiza, Zimbabwe

St. Mary's Clinic CRS: Chitungwiza, Zimbabwe

Zengeza CRS: Chitungwiza, Zimbabwe

Chitungwiza Health Department: Harare, Zimbabwe

Harare Hospital, Antenatal Clinic: Harare, Zimbabwe

Spilhaus Clinical Research Site: Harare, Zimbabwe

University of Zimbabwe-Parirenyatwa Clinical Research Center, Parirenyatwa Hospital: Harare, Zimbabwe