Trich: The Most Common Sexually Transmitted Infection You May Never Have Heard Of

by Martha Kempner, RH Reality Check

February 22, 2013 - 2:38 pm

Trichomoniasis, a Sexually Transmitted Infection caused by a parasite, infects more people in the U.S. each year than chlamydia, gonorrhea, and syphilis combined.  And yet, according to a new survey, few people have even heard of it.