Primary and Secondary Syphilis — Reported Cases by Sex and?Sex of Sex Partners,?United States,?2017–2021

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Ribbon plot showing reported cases of primary and secondary syphilis by sex and sex of sex partners during 2017 to 2021.[PNG - 75 KB]

ACRONYMS: MSM = Gay, bisexual, and other men who have sex with men; MSU = Men with unknown sex of sex partners; MSW = Men who have sex with women only

NOTE: Over the five year period, 0.2% of cases were missing sex and were not included.