Sigma Research
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Sigma Research

Sigma Research is a social research group specialising in the social, behavioural and policy aspects of HIV and sexual health. It is part of the Faculty of Public Health and Policy at the London School of Hygiene & Tropical Medicine.

New website: Gay men's sex survey

Chemsex in south LondonChemsex in south London
Our Chemsex in South London final report and executive summary are now available for download.

Access the reports

EMIS Best Sex articleEMIS Best Sex article
A new article using short qualitative answers from EMIS, to examine what gay and bisexual men in the UK consider to be the "best sex".

See all 17 EMIS journal articles

London HIV Patient SurveyLondon HIV Patient Survey
Available now in print or PDF, our report on the experiences of people with diagnosed HIV using NHS HIV out-patients services across London.

More about the project

African Health & Sex SurveyAfrican Health & Sex Survey
Our African Health & Sex Survey has now closed having recruited 1150 people. The report to inform HIV Prevention England will be out in June 2014.

Learn more about the survey

Biomedical HIV preventionBiomedical HIV prevention
Learn about our workshop where 40 medical sociologists considered how new HIV prevention technologies might affect HIV prevention research.

Access videos of workshop

Criminalisation study reportsCriminalisation study reports
Summary reports and videos from the launch event of a recent qualitative study of provider perspectives on HIV and the criminal law.

Access reports and launch videos.