So far this year more than 3,400 cases of Chlamydia have been reported in South Dakota, that’s a 24% above average. Gonorrhea is also seeing a spike at 680 reported cases, it’s almost 40% higher this year than the norm. Seventy-four cases of syphilis have been reported in South Dakota through October. That may not sound like a lot, but it’s approaching a 1000% increase over the five year average.