What is Trichomoniasis? Causes Diagnosis and Treatment Trichomoniasis is a common sexually transmitted disease (STD) that occurs when a person is infected by Trichomonas vaginalis, a unicellular flagellated microaerophilic parasite Trichomonas vaginalis affects nearly 250 million people worldwide Pathogen – Trichomonas vaginalis. How is trichomoniasis spread? Sexually active people can get Trichomonas vaginalis by having unprotected vaginal…… Read More »