Chlamydia is a bacterial infection, usually of the sex organs, but, depending on the type of sexual contact, it can also affect the mouth, the throat and/or the rectum.

• 衣原体是一种通常侵犯性器官的细菌感染，但是，依据性接触的类型不同，病原体也侵犯口腔、咽喉和/或直肠。