Chlamydia

Chlamydia is a curable sexually transmitted infection caused by the bacterium, Chlamydia trachomatis. It is the most common curable bacterial sexually transmitted infection in the western world and the numbers affected are likely to be underestimated as at least 70% of women and 50% of men who are infected may be asymptomatic.

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

11,534 The number of Chlamydia notifications in 2024
224 The national notification rate per 100,000 population

 Last updated: 3 June 2025