Quebec’s measles outbreak is over, but cases continue across Canada

by Chief Editor

Quebec’s Measles Outbreak Ends, But Canada Remains on Alert

Quebec’s recent measles outbreak, which began in November 2025 and lasted until February 2026, is officially over, according to the province’s Health Ministry. Though, the end of this localized outbreak doesn’t signal an end to the broader concerns surrounding measles resurgence across Canada.

Canada Loses Elimination Status

After maintaining its status as a measles-eliminated country for approximately 25 years, Canada lost that designation last November. This shift is attributed to sustained measles transmission, highlighting a growing vulnerability to the highly contagious viral disease. The situation underscores the importance of maintaining high vaccination rates.

National Case Numbers and Regional Hotspots

As of early March 2026, at least 339 measles cases (314 confirmed, 25 probable) have been reported across Canada. Manitoba accounts for more than two-thirds of these cases, with Alberta representing a significant portion of the remainder. Cases have also been identified in British Columbia, Nova Scotia, Ontario, Saskatchewan, and Quebec.

Understanding Measles Transmission and Symptoms

Measles spreads easily through the air when an infected person breathes, coughs, or sneezes. Initial symptoms often mimic a common cold – fever, cough, and nasal congestion – before the characteristic rash appears. There is currently no specific treatment for measles, making vaccination the most effective preventative measure.

Pro Tip: If you are unsure of your measles vaccination status, contact your healthcare provider to discuss testing or vaccination options.

Vaccination: The Primary Defense

Health experts emphasize that vaccination is the best protection against measles. Quebec’s Health Ministry states that individuals who are protected are “highly unlikely” to contract the disease. Current measles vaccination coverage in Quebec is estimated at around 90 percent.

What to Do If Exposed

If you are not protected against measles and believe you may have been exposed, it’s crucial to take immediate action. Individuals should isolate themselves from the fifth to the 14th day after exposure. Vaccination within 72 hours of exposure can potentially prevent illness, whereas antibody injections may offer immediate protection if administered within seven days.

The Threat of Declining Vaccination Rates

Health authorities have been warning for years that declining vaccination rates could allow measles to regain a foothold. This concern is not limited to Canada; a global resurgence of measles is being observed in many regions.

FAQ: Measles and Vaccination

Q: What are the symptoms of measles?
A: Symptoms include fever, cough, nasal congestion, and a characteristic rash.

Q: How is measles spread?
A: Measles spreads through the air when an infected person coughs or sneezes.

Q: Is there a treatment for measles?
A: There is no specific treatment; care focuses on managing symptoms. Vaccination is the best prevention.

Q: How long after exposure do symptoms appear?
A: Symptoms typically appear 10-14 days after exposure.

Did you know? Measles is so contagious that if one person has it, 90% of those around them who aren’t immune will also become infected.

Protecting yourself and your community requires staying informed and taking proactive steps to ensure adequate vaccination coverage. Consult with your healthcare provider to discuss your individual needs, and concerns.

Learn More: For additional information on measles, visit the Quebec Government’s Measles Outbreak page or the Canada.ca Measles and Rubella Weekly Monitoring Report.

Have questions about measles or vaccination? Share your thoughts in the comments below!

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