 Prevalence is highest in gay/bisexual men in London with an estimated 83 (credible interval 73 to 96) per 1000 gay and bisexual men aged 15 to 74 years.HIV prevalence in this group was higher in London compared with the rest of England (134/1,000 CrI 113 to 156 and 63/1,000 CrI 53 to 76, respectively).However, the 2017 statistics showed a tremendous decrease in the number of newly HIV infected gay men during 2015-17.