Syphilis

Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. Syphilis is spread from person to person through direct contact with a syphilis sore. 

For information, advice and support on sexual health visit sexualwellbeing.ie

973 The number of Early Infectious Syphilis (EIS) notifications in 2024
18.9 The national notification rate per 100,000 population

Figure 1: Early Infectious Syphilis notification rate by gender, 2013-2024

Last updated: 3 June 2025