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Figure X. Primary and Secondary Syphilis — Reported Cases* by Sex, Sexual Behavior, and Race/Ethnicity, United States, 2016

Figure X. Bar graph showing reported cases of primary and secondary syphilis in the United States during 2016 by sex, sexual behavior, and race/ethnicity. The data represented in this figure can be downloaded at

* Of all reported cases of primary and secondary syphilis, 16.9% were among men without data on sex of sex partner, and <1% were cases with unknown sex; 4.6% of all cases had missing or unknown race/ethnicity. Cases with missing or unknown race/ethnicity are included in the “Other” category.

MSM = Gay, bisexual, and other men who have sex with men (collectively referred to as MSM); MSW = Men who have sex with women only.

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