Trichomonas vaginalis is an anaerobic, flagellated protozoan parasite and the causative agent of trichomoniasis. It is the most common pathogenic protozoan infection of humans in industrialized countries.  Infection rates in men and women are similar but women are usually symptomatic, while infections in men are usually asymptomatic.
Trichomoniasis (or “trich”) is a very common STD caused by infection with Trichomonas vaginalis (a protozoan parasite). Although symptoms vary, most people who have trich cannot tell they have it. How common is trichomoniasis? In the United States, CDC estimates that there were more than two million trichomoniasis infections in 2018.
Trichomonas vaginalis is a bacterial infection that causes inflammation of the vaginal mucosa accompanied by an unpleasant, pungent discharge. The sufferer is embarrassed and frequently complains of “feeling dirty.” Conventional treatment is with systemic or cream Metronidazole. This is expensive.
Trichomonas vaginalis is a sexually transmitted obligate extracellular parasite that colonizes the human urogenital tract. Despite being of critical importance to the parasite’s survival relatively little is known about the mechanisms employed by T. vaginalis to establish an infection and thrive within its host.
- Christopher M. Ryan, Natalia de Miguel, Patricia J. Johnson
Trichomonas vaginalis resides in the female lower genital tract and the male urethra and prostate , where it replicates by binary fission . The parasite does not appear to have a cyst form, and does not survive well in the external environment. Trichomonas vaginalis is transmitted among humans, its only known host, primarily by sexual intercourse .
Aug 05, 2015 · Trichomonas vaginalis (TV) is likely the most common non-viral sexually transmitted infection (STI) in the world. It is as an important source of reproductive morbidity, a facilitator of HIV transmission and acquisition, and thus it is an important public health problem.
May 17, 2022 · Trichomoniasis is caused by a one-celled protozoan, a type of tiny parasite called Trichomonas vaginalis. The parasite passes between people during genital contact, including vaginal, oral or anal sex. The infection can be passed between men and women, women, and sometimes men. The parasite infects the lower genital tract.