Figure 49. Primary and Secondary Syphilis—Percentage of Reported Cases* by Sex, Sexual Behavior, and Selected Reporting Sources, 2011

This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.

* Of the reported male cases of primary and secondary syphilis, 17.0% were missing sex of sex partner information, and 3.9% of reported male cases with sex of sex partner data were missing source of information data.

† HMO = health maintenance organization; MSM = men who have sex with men; MSW = men who have sex with women only.

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Page last reviewed: December 13, 2012 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention