Sexual Risk Factors for HIV Infection in Early and Advanced HIV Epidemics in Sub-Saharan Africa: Systematic Overview of 68 Epidemiological Studies

• Li Chen,

  Affiliation Centre for Global Health Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada

  ⨯
• Prabhat Jha ,

  *To whom correspondence should be addressed. E-mail: prabhat.jha@utoronto.ca

  Affiliation Centre for Global Health Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada

  ⨯
• Bridget Stirling,

  Affiliations Centre for Global Health Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada, Division of Medical Sciences, Island Medical Program, University of Victoria, Victoria, British Columbia, Canada

  ⨯
• Sema K. Sgaier,

  Affiliation Centre for Global Health Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada

  ⨯
• Tina Daid,

  Affiliation Centre for Global Health Research, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada

  ⨯
• Rupert Kaul,

  Affiliations Department of Medical Microbiology, University of Nairobi, Nairobi, Kenya, Department of Medicine, University Health Network, University of Toronto, Toronto, Ontario, Canada

  ⨯
• Nico Nagelkerke,

  Affiliation Department of Community Medicine, Al Ain University, Al Ain, United Arab Emirates

  ⨯
• for the International Studies of HIV/AIDS (ISHA) Investigators