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Measles

Due to an increase in measles activity globally, Ontario has begun to see more cases of measles.

Check out our measles resources now.

Quick Access

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 2 May 2025

Report

Outlines OIAC recommendations on measles post-exposure prophylaxis (PEP) for individuals who are immunocompromised and describes scientific evidence, feasibility considerations and expert clinical input considered in the guidance development process.

524 KB
Published 21 March 2025

Summary Report

Summarizes OIAC recommendations on measles post-exposure prophylaxis (PEP) for individuals who are immunocompromised considering scientific evidence, feasibility and expert clinical input.

326 KB
Published 21 March 2025

Surveillance Report

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

391 KB
Published 7 March 2025

Surveillance Report

Epidemiology of measles outbreak cases in Ontario in 2024 and 2025, as well as trends over time for 2013-2024.

554 KB
Updated 8 May 2025

Report

This report focuses on food insecurity and food affordability in Ontario, with a focus on households reliant on social assistance. Evidence for income-based policy interventions is summarized.

1018 KB
Published 9 April 2025

Events

May 13

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