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