Trichomoniasis is the most common curable sexually transmitted infection. It is caused by the protozoan parasite, Trichomonas vaginalis.

In the United States, the Centers for Disease Control and Prevention (CDC) estimates 3.7 million people have the infection.

Joining me today to discuss this protozoa is Parasitology teacher and author of Parasites, Tales of Humanity's Most Unwelcome Guests, Rosemary Drisdelle.