Sexually transmitted diseases surged to a record high in the United States last year, with more than two million cases of chlamydia, gonorrhea, and syphilis nationwide, officials said Tuesday. This was “the highest number ever,” said the annual Sexually Transmitted Disease Surveillance Report released today by the US Centers for Disease Control and Prevention (CDC). Most of the new cases — 1.6 million in 2016

— involved chlamydia, a bacterial infection that affects both men and women. Gonorrhea also increased among men and women last year, but the steepest rise was among men (22 percent), said the report. Nationwide, gonorrhea cases reached 470,000, with a large share of new gonorrhea cases among men who have sex with men. READ MORE