Figure 35. Syphilis — Rates of Reported Cases by Stage of Infection, United States, 1941–2017

Figure 35. Line graph showing rates of reported cases of syphilis in the United States from 1941 to 2017 by stage of infection. Data provided in table 1.

NOTE: Data collection for syphilis began in 1941; however, syphilis became nationally notifiable in 1944. Refer to the National Notifiable Disease Surveillance System (NNDSS) website for more information: