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Diseases That May Be Transmitted Sexually*

Disease Organism(s)
Acquired Immunodeficiency Syndrome (AIDS) Human immunodeficiency virus (HIV-1 and HIV-2)
Bacterial vaginosis Atopobium vaginae, Bacteroides spp., Gardnerella vaginalis, Mobiluncus spp., Mycoplasma hominis, Ureaplasma urealyticum
Chancroid Haemophilus ducreyi
Chlamydial infections (Pelvic Inflammatory Disease, and Nongonococcal urethritis) Chlamydia trachomatis (serovars D and K)
Cytomegalovirus infections Cytomegalovirus
Ebola Ebola virus
Enteric infections Various Gram negative bacteria, Campylobacter fetus, Shigella sp., Escherichia coli, Salmonella sp.
Amebiasis Entamoeba histolytica (protozoan)
Giardiasis Giardia lamblia (protozoan)
Genital herpes Herpes simplex virus
Genital (venereal) warts 
Venereal warts or condyloma acuminata
Human papillomavirus
Gonorrhea Neisseria gonorrhoeae
Granuloma inguinale  (donovanosis) Calymmatobacterium granulomatis
Group B streptococcal infections Streptococcus agalactiae
Leukemia/Lymphoma/Myelopathy  HTLV-I and II
Lymphogranuloma venereum (LGV) Chlamydia trachomatis (serovars L1-L3)
Molluscum contagiosum Molluscum contagiosum virus
NGU or Nongonococcal urethritis Chlamydia trachomatis, Gardnerella vaginalis, Ureaplasma urealyticum
Pelvic Inflammatory Disease (PID) N. gonorrhoeae and Chlamydia trachomatis- most common,  Anaerobic bacteria (ex.Bacteroides), Facultative Gram negative rods (ex. Escherichia coli), Mycoplasma hominis,Actinomyces israelii
Pubic lice, Pediculosis Pediculus humanus and Phthirius pubic
Scabies Sarcoptes scabiei var. hominis
Syphilis Treponema pallidum
Trichomoniasis Trichomonas vaginalis
Vaginal yeast infections, Mycotic vulvovaginitis  Candida albicans
Viral hepatitis Hepatitis A, B, C, D viruses
Zika Zika virus

*Sexually = heterosexual, homosexual, and oral sexual routes are all included here.

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Last revised 8/20/19