Maybe DH but not mingle
Statistics are always interesting . Have they surveyed those with STD's asking how they met the infected person/people .. most likely do not know and may have been infected for ages before diagnosis .
I checked the centre for disease control in Hawaii . Here is what they say ....
http://health.hawaii.gov/harmreduction/sexually-transmitted-diseases-stds/epidemiology-data-and-statistics/
screening has increased though it seems Hawaii has had some recent health funding cuts affecting sexual health .
increasing Antibiotic resistance to sexually acquired infections ., the bugs are winning
Increase rates associated with male -male sexual activity
Ease of global travel . Interestingly Asia is blamed for the introduction of syphyllis to Hawaii .