Total combined cases of chlamydia, gonorrhea, and syphilis reported in 2015 reached the highest number ever, according to the annual Sexually Transmitted Disease Surveillance Report released today by the Centers for Disease Control and Prevention (CDC).
There were more than 1.5 million chlamydia cases reported (1,526,658), nearly 400,000 cases of gonorrhea (395,216), and nearly 24,000 cases of primary and secondary (P&S) syphilis (23,872) – the most infectious stages of the disease. The largest increase in cases reported from 2014 to 2015 occurred in P&S syphilis (19 percent), followed by gonorrhea (12.8 percent) and chlamydia (5.9 percent). Chlamydia, gonorrhea and syphilis are the three most commonly reported conditions in the nation and have reached a record high level.