The number of selected sexually transmitted infections diagnosed in 16 to 24-year-olds in genitourinary medicine (GUM) clinics in England, by age group in 2006 are shown in the following table:
Sexually Transmitted Infection 16-19 20-24 Uncomplicated chlamydial infection 25,658 38,792 Uncomplicated gonorrhoea infection 3,348 4,934 Primary and Secondary infectious syphilis 100 329 Anogenital herpes simplex—first attack 3,017 5,369 Anogenital warts—first attack 13,973 24,632 Notes: 1. The data available from the KC60 statutory returns are for diagnoses made in GUM clinics only. Diagnoses made in other clinical settings, such as General Practice, are not recorded in the KC60 dataset. 2. The data available from the KC60 statutory returns are the number of diagnoses made, not the number of patients diagnosed. Individual patients may have more than one diagnosis in a year. 3. The information provided has been adjusted for missing clinic data. 4. Data are not yet available for 2007. 5. Aggregated data are collected in a predefined format and age group can be presented in the above categories. Source: Health Protection Agency, KC60 returns
In addition to diagnoses made in GUM clinics, the National Chlamydia Screening Programme (NCSP) provides screening to asymptomatic people aged under 25 years in England. The following table shows the number of positive chlamydia screens among those aged 16-24 years who were screened for chlamydia as part of the NCSP during the period 1 April 2006 to 31 March 2007.
16-19 20-24 Numbers positive 8,467 6,599 Note: The data from the NCSP Core Dataset are for positive chlamydia screens made outside of GUM clinics only and include positive screens made by the Boots pathfinder project. Source: The NCSP Core Dataset.