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Quebec public health officials have confirmed a measles outbreak linked to a pediatric medical centre in Saint-Eustache, Que.
As of Dec. 15, at 9 a.m., officials linked three confirmed cases to the outbreak.
The exposure site is listed as Up centre d’urgences pédiatriques Saint-Eustache, located at 375 Mathers Ave, Suite 200, in Saint-Eustache.
Exposure time is estimated as Nov. 28, between 3:30 p.m. and 8:10 p.m. People who were at the medical centre that day and time are considered to have been exposed to measles.
Exposed people should monitor their symptoms until Dec. 19, according to public health officials.
The latest measles outbreak is the first in Quebec in months. The last outbreak occurred between December 2024 and April 2025.
Quebec public health officials are investigating the outbreak in an attempt to discover its origins and identify people who have been exposed to measles.
Measles is extremely contagious. Common symptoms include fever, runny nose and a characteristic red rash spreading across the body and lasting one to two weeks. It can lead to serious complications including pneumonia and brain inflammation.
People at risk include babies under one year old, people with weakened immune systems and those who have not been sufficiently vaccinated against measles.