Sexually Transmitted Infections (STIs)

This report describes the epidemiology of chlamydia in Ontario with a focus on cases reported in 2023, including data on trends over time, age and sex, geography, site of infection and testing.

This report describes the epidemiology of gonorrhea in Ontario with a focus on cases reported in 2023, including data on trends over time, age and sex, geography, site of infection and testing.

This report describes the epidemiology of infectious syphilis and early congenital syphilis in Ontario with a focus on cases reported in 2023, including incidence by age, sex, geography, and testing.

This report describes the key characteristics of early congenital and maternal syphilis cases in Ontario from 2020-2022.

An evidence brief that summarizes internet-based contact tracing for sexually transmitted infections and considerations for implementation.