Community 10 States Where It's Easiest to Catch STDs Editor August 22, 2014 5. South Carolina: 580 per 100,000 have chlamydia. It ranks 4th in gonorrhea and 13th in syphillis transmission rates. About Post Author Editor See author's posts Tags: Alabama, CDC, Centers for Disease Control and Prevention, easiest to catch STDs in this state, Georgia, new york, north carolina, sexually transmitted diseases, states highest std rates, STDs, Texas From the Web