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Sexually Transmitted Infections (STIs)

Sexually Transmitted Infections (STIs) are caused by micro-organisms such as viruses or bacteria that are transmitted through sexual contact. Explore PHO’s newest resources related to STIs.

Explore PHO’s resources

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Report

This report highlights the high prevalence of healthcare needs and use among Ontarians who died of a substance-related toxicity.

3.2 MB
Published 9 Jan 2025

Interactive Report

This tool provides comprehensive epidemiological information of respiratory virus activity in Ontario, including COVID-19, influenza and other respiratory viruses. Explore case trends, laboratory testing, and outbreaks, as well as COVID-19 outcomes and vaccination.

Webpage
Updated 10 Jan 2025

Fact Sheet

Recommendations for identifying and managing suspected or confirmed human cases of avian influenza.

178 KB
Published 31 Dec 2024

Surveillance Report

Epidemiology of measles in Ontario in 2024, as well as trends over time for 2013-2023.

322 KB
Updated 19 Dec 2024

Interactive Report

This tool provides comprehensive epidemiological information of respiratory virus activity in Ontario, including COVID-19, influenza and other respiratory viruses. Explore case trends, laboratory testing, and outbreaks, as well as COVID-19 outcomes and vaccination.  

Webpage
Updated 13 Dec 2024

Interactive Report

Provides data on immunization coverage and vaccine safety, including trends over time, comparisons across public health units (including maps) and age groups. All data in the tool can be easily downloaded. 

Webpage
Updated 12 Dec 2024

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Public Health Ontario (PHO) keeps Ontarians safe and healthy. With our partners in government, public health and health care, we prevent illness and improve health.

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