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Sexually Transmitted Infections

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Topic updated on 03/14/15 7:38am

 
 Bugs Causing Sexually Transmitted Diseases
Bug
Disease Key associations
Neisseria gonorrhoeae Gonorrhea
  • No capsule
  • Ferments glucose but not maltose
  • No vaccine
Haemophilus ducreyi Chancroid
  • Painful ulcer
Treponema pallidum Syphilis
  • Primary, secondary, tertiary
  • Congenital
Chlamydia trachomatis Chlamydia, lymphogranuloma venereum
  • Reticulate bodies and elementary bodies
  • Serotypes
    • D-K cause STD
    • L1-L3 cause lymphogranuloma venereum
HPV 6 and 11 Anogenital warts (condylomata acuminata)
  • Koilocytes
HBV Hepatitis B
  • "B is Bad"
  • Acute or chronic hepatitis
  • Hepatocellular carcinoma
  • Cirrhosis
HIV AIDS
  • Kaposi's sarcoma
  • Lymphoma
  • Opportunistic infections
Gardnerella vaginalis Vaginosis
  • Clue cells
  • Fishy smell
  • Gram-variable
Trichomonas vaginalis Vaginitis
  • Protozoa
  • Corkscrew motility
  • Note that bacterial vaginosis is a type of vaginitis


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