The number of gay and bisexual men being diagnosed with HIV in the UK reached an ‘all-time high’ in 2011, with almost a quarter unaware they are affected.
The Health Protection Agency says nearly half of the 6,280 people diagnosed last year were men who had sex with men (MSM).
Of those diagnosed, two-thirds of the men infected had not gone to a sexual health clinic in the past three years.
Doctor Valerie Delpech, HPA head of HIV surveillance, said: ‘These figures are a reminder of how vital safe sex programmes remain.