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.

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10,955 The number of Chlamydia notifications in 2022 making it the most frequently reported STI in Ireland
230.0 The national notification rate per 100,000 population

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Last updated: 20 April 2023