What is SOPHID?
The Survey of Prevalent HIV Infections Diagnosed (SOPHID) began in 1995 and is a cross-sectional survey of all individuals with diagnosed HIV infection who attend for HIV-related care within the NHS in England, Wales, and Northern Ireland (E, W & NI) within a calendar year. SOPHID is funded by the Department of Health and the London Specialised Commissioning Group (LSCG) and is conducted by the Heath Protection Agency’s Centre for Infections (CfI). Scottish data is collected separately in Scotland by Health Protection Scotland (formerly SCIEH), and is incorporated into UK totals. The survey is run twice a year in London and annually outside London. The London survey includes Brighton, Hastings and Eastbourne and covers attendances from January to June and from July to December, whereas the survey outside London covers attendances for the whole calendar year. Annual national results are based on data from the two London surveys, the survey run outside London and paediatric data (childre