Chlamydia, gonorrhea top U.S. list of STDs - Cortlandt Forum

"Chlamydia and gonorrhea were the two most common infectious diseases in 2007, hitting young women and minorities especially hard, the CDC announced in its annual report on sexually transmitted disease (STD).

The more than 1.1 million new diagnoses for chlamydia comprise the most cases “ever reported to the CDC for any condition,” the agency notes (www.cdc.gov/std/stats07)."