| The investigation into the bacteria and viruses causing sexually transmitted diseases (STD) is focused on the detection, the identification of pathogenic factors, the regulation of the immune response during the infection and its relevance in the clinical practice. The insight that is so obtained must lead to improved diagnostic and screening methods which may broaden the insight into the epidemiology of STD. Optimizing the therapy (including the possibilities for vaccination), particularly directed at more effective and patient friendly treatments has received continuous attention. Areas of accent are infections caused by Chlamydia trachomatis, Treponema pallidum and STD caused by human papilloma virus (HPV), herpes simplex virus (HSV), hepatitis B virus (HBV) and human immunodeficiency virus (HIV). |