There are two main HPA laboratories concerned with the testing and diagnostics for both HIV and other Sexually transmitted infections. These are the Virus Reference Department (VRD) and Sexually Transmitted Bacteria Reference Laboratory (STBRL).
Among other organisms, VRD provides testing services for HIV 1 and 2, HTLV I and II, HSV 1 and 2. STBRL provides tests for bacterial sexually transmitted pathogens:
Neisseria gonorrhoeae, Treponema pallidum, Chlamydia trachomatis, haemophilus ducreyi.