STI statistics

New diagnoses of sexually transmitted infections (STIs) are on the rise. The three reportable bacterial STIs in Canada are chlamydia, gonorrhea and infectious syphilis. Chlamydia is the most common, followed by gonorrhea and syphilis.

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Infectious syphilis and congenital syphilis in Canada, 2022

Infectious syphilis and congenital syphilis in Canada, 2022

Hepatitis B in Canada

Hepatitis B in Canada: 2021 surveillance data update

Chlamydia, gonorrhea and infectious syphilis in Canada: 2021 surveillance data update

Chlamydia, gonorrhea and infectious syphilis in Canada: 2021 surveillance data update

Report on sexually transmitted infection surveillance in Canada, 2019

Research summary

Rising syphilis rates in Canada, 2011–2020