摘要
性性传播感染很常见；在英国社区进行的筛查研究显示，衣原体感染发病率约为10%，生殖器疱疹为病和衣原体的感染经常无症状；而有症状的表现如阴道分泌物常常提示某种致病性弱的（但仍有潜在危险的）感染如念珠菌。性传播感染经常是多重感染，发现一种感染时应立即考虑检查其他性传播感染。
STIs are conumon;community screening studies in the UK have shown prevalences of about 10% for chlamydial infection and 12% for genital herpes, In women（Figure 1）,the more potentially serious infections such as gonorrlioea and Chlamydia are often asymptomatic ,
