Multiplex PCR (Multiplex PCR) tests look for the genetic material (DNA) of seven of the most common sexually transmitted infections. The primary panel typically includes: Bacteria: Chlamydia trachomatis (chlamydia), Neisseria gonorrhoeae (gonorrhea), Mycoplasma genitalium, Trichomonas vaginalis (parasite); Viruses: Herpes Simplex Virus type 2 (HSV-2). Some panels may also include Ureaplasma urealyticum and Mycoplasma