Trichomonas vaginalis is a protozoan parasite. It causes trichomoniasis; a sexually transmitted infection. The primary habitat of this organism is vagina and prostate. In infected female it causes itching and burning accompanied by profuse, foul-smelling, […]
The number of sexually transmitted microorganisms (eg, bacteria, virus, fungi and parasites) and the spectrum of clinical syndromes or diseases associated with these agents are expanding with the nature of changing sexual orientations of people […]
Neisseria is the only pathogenic gram negative cocci (precisely diplococci). Two species of Neisseria causes disease in humans; Neisseria meningitidis and Neisseria gonorrhoeae. Human beings are only known hosts of N.gonorrhoeae. Neisseria gonorrhoeae (often called gonococcus) causes […]
Syphilis is a sexually transmitted disease caused by the bacterium Treponema pallidum. Syphilis has diverse clinical manifestations and shares many clinical features with other treponemal and nontreponemal diseases (because of this,syphilis has been called “The Great […]
Fluorescent treponemal antibody-absorption (FTA-ABS) test is an indirect fluorescent antibody technique used as a confirmatory test for syphilis. FTA-ABS is the first serological test (cardiolipin or specific treponemal) to become positive following infection i.e., 3-4 weeks […]
Venereal disease research laboratory (VDRL) test is a nonspecific flocculation test which is used for the screening of syphilis. VDRL test is easy to perform and inexpensive, so it is commonly used in the screening […]
Chlamydia trachomatis, an obligate intracellular bacteria, causes significant infection and disease worldwide. It is a most common sexually transmitted bacterial pathogen and major cause of Pelvic Inflammatory disease in USA. General properties: Small group of […]
MCQ Bacteriology 59: A 70 year old woman with severe chronic lung disease presented in the OPD of Tribhuvan University Teaching Hospital with fever, productive cough with purulent sputum and worsening hypoxemia. Sputum sample was […]
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