Young people's sexual health in South Africa : HIV prevalence and sexual behaviors from a nationally representative household survey von PETTIFOR, Audrey E, REES, Helen V, KLEINSCHMIDT, Immo, STEFFENSON, Annie E, MACPHAIL, Catherine, HLONGWA-MADIKIZELA, Lindiwe, VERMAAK, Kerry, PADIAN, Nancy S

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Sexual power and HIV risk, South Africa von Pettifor, Audrey E, Measham, Diana M, Rees, Helen V, Padian, Nancy S

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Increased Access to Antiretroviral Therapy Is Associated with Reduced Maternal Mortality in Johannesburg, South Africa: An Audit from 2003-2012 von Black, Vivian, Black, Andrew D, Rees, Helen V, Guidozzi, Franco, Scorgie, Fiona, Chersich, Matthew F

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Contraception use and pregnancy among 15-24 year old South African women: a nationally representative cross-sectional survey von MacPhail, Catherine, Pettifor, Audrey E, Pascoe, Sophie, Rees, Helen V

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A research and development (R&D) roadmap for broadly protective coronavirus vaccines: A pandemic preparedness strategy von Moore, Kristine A., Leighton, Tabitha, Ostrowsky, Julia T., Anderson, Cory J., Danila, Richard N., Ulrich, Angela K., Lackritz, Eve M., Mehr, Angela J., Baric, Ralph S., Baylor, Norman W., Gellin, Bruce G., Gordon, Jennifer L., Krammer, Florian, Perlman, Stanley, Rees, Helen V., Saville, Melanie, Weller, Charlotte L., Osterholm, Michael T.

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Making more COVID-19 vaccines available to address global needs: Considerations and a framework for their evaluation von Krause, Philip R, Arora, Narendra, Dowling, William, Muñoz-Fontela, César, Funnell, Simon, Gaspar, Rogerio, Gruber, Marion F., Hacker, Adam, Henao-Restrepo, Ana Maria, Plotkin, Stanley, Rees, Helen V., Smith, Dean K., Swaminathan, Soumya

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Vulnerability of women in southern Africa to infection with HIV: biological determinants and priority health sector interventions von Chersich, Matthew F, Rees, Helen V

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High Pregnancy Intentions and Missed Opportunities for Patient–Provider Communication About Fertility in a South African Cohort of HIV-Positive Women on Antiretroviral Therapy von Schwartz, Sheree R., Mehta, Shruti H., Taha, Taha E., Rees, Helen V., Venter, Francois, Black, Vivian

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Enhancing global control of alcohol to reduce unsafe sex and HIV in sub-Saharan Africa von Chersich, Matthew F, Rees, Helen V, Scorgie, Fiona, Martin, Greg

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Field evaluation of Standard Diagnostics' Bioline HIV/Syphilis Duo test among female sex workers in Johannesburg, South Africa von Black, Vivian, Williams, Brian G, Maseko, Venessa, Radebe, Frans, Rees, Helen V, Lewis, David A

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Predictors of Condom Use Among Young Adults in South Africa: The Reproductive Health and HIV Research Unit National Youth Survey von Hendriksen, Ellen Setsuko, Pettifor, Audrey, Lee, Sung-Jae, Coates, Thomas J, Rees, Helen V

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Keep them in school: the importance of education as a protective factor against HIV infection among young South African women von Pettifor, Audrey E, Levandowski, Brooke A, MacPhail, Catherine, Padian, Nancy S, Cohen, Myron S, Rees, Helen V

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Concurrent Sexual Partnerships and Human Immunodeficiency Virus Risk Among South African Youth von Steffenson, Annie E., Pettifor, Audrey E., Seage, George R., Rees, Helen V., Cleary, Paul D.

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Safety, tolerability, and systemic absorption of dapivirine vaginal microbicide gel in healthy, HIV-negative women von NEL, Annalene M, COPLAN, Paul, MOYES, Jocelyn, SMYTHE, Shanique C, VAN DE WIJGERT, Janneke H, KAPIGA, Saidi H, VON MOLLENDORF, Claire, GEUBBELS, Eveline, VYANKANDONDERA, Joseph, REES, Helen V, MASENGA, Gileard, KIWELU, Ireen

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Factors Associated With Self-Efficacy for Condom Use and Sexual Negotiation Among South African Youth von Sayles, Jennifer N, Pettifor, Audrey, Wong, Mitchell D, MacPhail, Catherine, Lee, Sung-Jae, Hendriksen, Ellen, Rees, Helen V, Coates, Thomas

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Sexual Violence and Reproductive Health Outcomes Among South African Female Youths: A Contextual Analysis von Speizer, Ilene S, Pettifor, Audrey, Cummings, Stirling, MacPhail, Catherine, Kleinschmidt, Immo, Rees, Helen V

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Estimating the Population Size of Female Sex Workers in Three South African Cities: Results and Recommendations From the 2013-2014 South Africa Health Monitoring Survey and Stakeho... von Grasso, Michael A, Manyuchi, Albert E, Sibanyoni, Maria, Marr, Alex, Osmand, Tom, Isdahl, Zachary, Struthers, Helen, McIntyre, James A, Venter, Francois, Rees, Helen V, Lane, Tim

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A community‐based study to examine the effect of a youth HIV prevention intervention on young people aged 15–24 in South Africa: results of the baseline survey von Pettifor, Audrey E., Kleinschmidt, Immo, Levin, Jonathan, Rees, Helen V., MacPhail, Catherine, Madikizela‐Hlongwa, Lindiwe, Vermaak, Kerry, Napier, Grant, Stevens, Wendy, Padian, Nancy S.

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Highly efficient HIV transmission to young women in South Africa von PETTIFOR, Audrey E, HUDGENS, Michael G, LEVANDOWSKI, Brooke A, REES, Helen V, COHEN, Myron S

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Challenge of evaluating a national HIV prevention programme: the case of loveLife, South Africa von Pettifor, Audrey E, MacPhail, Catherine, Bertozzi, Stefano, Rees, Helen V

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