Unlike the other six STIs, trichomoniasis is neither caused by a virus nor by a bacterium. The culprit is the protozoan T. vaginalis, which is a single-celled organism with long appendages called agella that the organism uses to propel itself. This STI, colloquially referred to as “trich”, is common in both heterosexual and homosexual women… Continue reading Trichomoniasis: What You Need to Know Today