Reported Cases of Sexually Transmitted Disease in the U.S., 2006 and 2011
The table below provides the most recent reported data on cases of Chlamydia, Gonorrhea, Syphilis, and Chancroid.
Note: For 2011, cases of primary and secondary syphilis are reported together.
Source: U.S. Centers for Disease Control and Prevention. Web: www.cdc.gov .
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