Bugs Causing Sexually Transmitted Diseases Bugs Causing Sexually Transmitted Diseases Bug Disease Key associations Neisseria gonorrhoeae Gonorrhea No capsule Ferments glucose but not maltoseNo vaccine No vaccine Haemophilus ducreyi Chancroid Painful ulcer Treponema pallidum Syphilis Primary, secondary, tertiaryCongenital Congenital Chlamydia trachomatis Chlamydia Lymphogranuloma venereum Reticulate bodies and elementary bodiesSerotypes D-K cause STD• L1-L3 cause lymphogranuloma venereum Serotypes D-K cause STDL1-L3 cause lymphogranuloma venereum 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 sarcomaLymphoma• Opportunistic infections Lymphoma Opportunistic infections Gardnerella vaginalis *not sexually transmitted, though associated with sexual activity Vaginosis Clue cells Fishy smell Gram-variable Trichomonas vaginalis Vaginitis Protozoa Corkscrew motility Klebsiella granulomatis Granuloma inguinale Gram-negative rods (Donovan bodies) Note that bacterial vaginosis is a type of vaginitis