Helen Weiss

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Helen Weiss
Colleagues & Benefactors:
Daniel T. Halperin
Inon Schenker

Helen A. Weiss is a statistical epidemiologist at the London School of Hygiene and Tropical Medicine. Helen's research focuses on HIV epidemiology in developing countries. She works in the Tropical Epidemiology Group.[1]

She co-authored a paper with Daniel T. Halperin and Inon Schenker.[2]

Weiss is member of the 2018 Guideline Development Group (GDG) of the WHO. The GDG's task is to develop updated recommendations on safe male circumcision for HIV prevention and related service delivery for adolescent boys and men in generalized HIV epidemics.[3]


The WHO published the following biography of Helen Weiss:

Weiss, Helen A

  • London School of Hygiene and Tropical Medicine
  • PhD
  • London, United Kingdom

Professor Helen Weiss is Director of the MRC Tropical Epidemiology Group at the London School of Hygiene & Tropical Medicine. A statistical epidemiologist by training, her research focuses on the epidemiology and prevention of HIV and mental health disorders in low and middle-income countries. She has a particular interest in adolescent health research and is collaborating on projects evaluating strategies to improve HIV-related outcomes among adolescents living with HIV. She is currently leads a study to pilot an intervention to improve menstrual hygiene management in Uganda.

Professor Weiss first worked on male circumcision research in 1999, leading the systematic review that first provided clear evidence that male circumcision was associated with a lower risk of HIV infection among heterosexual men in sub-Saharan Africa. She also led subsequent systematic reviews on different aspects of male circumcision including on safety of neonatal circumcision, and the effect of male circumcision on infections among women.

Professor Weiss has co-authored more than 270 peer-reviewed publications and is a member of the UNAIDS Scientific Expert Panel and the MRC Infections and Immunity Board, as well as the initial WHO Technical Advisory Group on Safe Male Circumcision.[4]

Weiss has been a co-author of numerous papers to promote male circumcision in Africa (VMMC) in the mistaken belief that it prevents HIV infection. She obviously is biased in favor of circumcision.

See also