Quebec, Canada: 2024-2026 Measles

[Shiloh]

Source: https://montrealgazette.com/news/health/new-measles-case-confirmed-on-flight-from-madrid-to-montreal

New measles case confirmed on flight from Madrid to Montreal
An infected person landed at Trudeau airport on Jan. 8 at 3:51 p.m. and visited several places around Montreal.
By Leora Schertzer
Published Jan 16, 2026
Last updated 12 minutes ago 2 minute read

As Quebec’s measles outbreak spreads, the province’s public health authority warns a person with measles was aboard a flight to Montreal from Madrid last Thursday.

Quebec has been struggling with a new outbreak since early December, shortly after Canada lost its status as a measles-free country more than 25 years after eradicating the virus. Before then, the province had been measles-free since April, according to Quebec’s Health Ministry.

The airliner carrying the infected person was Air Canada flight AC 835 from Madrid, and landed at Montréal-Trudeau International Airport on Jan. 8 at 3:51 p.m., according to a press release from the Ministry of Health and Social Services.​
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“People on board this flight who were present at Montréal-Trudeau International Airport (YUL) in the arrivals and baggage area between 3:51 p.m. and 6:20 p.m. on Jan. 8, 2026, may have been exposed to the measles virus,” the press release states.

As of Jan. 16, nine confirmed cases of measles have been reported in connection with the current outbreak in Lanaudière, Laurentides, Laval and Montreal, according to the Health Ministry’s measles tracker.

The new reported case is not related to the current outbreak, according to the ministry.

The person with measles visited several places between Jan. 10 and 13. Exposure sites between these dates include:

Super C, 7401 Newman Blvd., LaSalle, on Jan. 10, 2026, between 8:15 a.m. and 10:45 a.m.
Salon Maniac Griffintown, 1810 Notre Dame St. W., Montreal, on Jan. 11, between 12 p.m. and 7 p.m.
Urgence de l’Hôpital de Verdun, 4000 LaSalle Blvd., Verdun, on Jan. 12, between 5:30 p.m. and 9:30 p.m.
Urgence de l’Hôpital de Verdun, 4000 LaSalle Blvd., Verdun, on Jan. 13, between 3:15 p.m. and 5:15 p.m.
Radiologie de l’Hôpital de Verdun, 4000 LaSalle Blvd., Verdun, on Jan. 12, between 7 p.m. and 9:30 p.m.
Familiprix, 7315 Newman Blvd., Bureau 153, Montreal, on Jan. 12, between 5 p.m. and 7:10 p.m.​..
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[Shiloh]

Source: https://montrealgazette.com/news/he...xpanded-to-11-cases-health-authority-confirms

Quebec's measles numbers grow, with 11 confirmed cases
At least one person with measles visited the emergency department of the Montreal Children's Hospital on Monday and Tuesday.
Author of the article: By Leora Schertzer
Published Jan 21, 2026
Last updated 2 hours ago

As measles numbers grow, at least 11 cases have been confirmed in Quebec, according to an update Wednesday from the province’s health authority.

At least one person with measles visited the emergency department of the Montreal Children’s Hospital on Monday and Tuesday, according to Quebec’s measles tracker website.

“As of Jan. 21, 2026, at 9 a.m., nine confirmed cases of measles have been reported in connection with the ongoing outbreak” in Lanaudière, the Laurentians, Laval and Montreal, the website states. “In addition, two confirmed cases of measles unrelated to the ongoing outbreak have been reported.”...
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[Shiloh]

Source: https://montreal.citynews.ca/2026/01/22/measles-reported-board-flight-montreal-trudeau-airport/

Another case of measles reported on board a flight that landed at Montreal-Trudeau Airport
By Katrine Desautels, The Canadian Press
Posted January 22, 2026 2:36 pm.

A person with measles was on board a Royal Air Maroc flight that landed at Montréal-Trudeau International Airport on Jan. 17. Public Health is urging people on board this flight or in affected areas of the airport to monitor themselves for symptoms.​..

...The person with measles on board the plane that landed in Montreal was on flight AT558 from Cotonou, Benin, to Casablanca, Morocco, where they had an eight-hour layover before boarding flight AT208 to Montreal. The person was contagious during their travels.

People on board these flights and present at Casablanca airport, Montreal-Trudeau airport and in the baggage carousel area (exit zone 8) are considered to be contacts of a measles case.​..

 

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Ministry of Health and Social Services (MSSS)'s Post​

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Ministry of Health and Social Services (MSSS)
22h ·

Measles cases on two Royal Air Maroc flights

On January 17, 2026, a person with measles travelled on flight AT558 from Cotonou to Casablanca and flight AT208 from Casablanca to Montreal.

People on board these flights and present at Casablanca Airport and Montreal-Trudeau Airport in the arrivals and baggage section (zone 8) between 7:15 p.m. and 11:15 p.m. on January 17 are considered to be contacts of a measles case.

Monitor for the appearance of symptoms (fever, cough, runny nose, red eyes, skin redness) in the days following exposure.

If in doubt, or if you are part of a risk group (babies < 1 year old, immunocompromised people, pregnant people not adequately vaccinated), contact Info-Santé 811.

To consult the list of places frequented by recent cases of measles in Quebec and to find out the instructions to follow:

https://www.quebec.ca/.../a-z/rougeole/eclosion-de-rougeole

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https://www.facebook.com/SanteServicesSociauxQuebec/posts/pfbid02Qjrrjm8MTZwQ8dPd3A1ahHLUXspQ1hrLFDgtEYzBJWb 4JqwP5EHsaULBn5gCWf6vl
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Measles virus - Case confirmed on board a plane arriving from Africa

January 22, 2026, 12:36 PM
Published by: Health and Social Services


QUEBEC CITY , January 22, 2026 /CNW/ - Public Health authorities of the Ministry of Health and Social Services (MSSS) wish to inform the public that a person with measles was present on board a flight that landed at Montreal-Trudeau International Airport on January 17, 2026.
This person was contagious while on Royal Air Maroc flights on January 17, 2026:

• AT558 from Cotonou (Benin) to Casablanca (Morocco) (stopover of more than eight hours);
• AT208 from Casablanca to Montreal.

People on board these flights and present at Casablanca Airport and Montreal-Trudeau Airport in the arrivals and baggage section (zone 8) between 7:15 p.m. and 11:15 p.m. are considered to be contacts of a measles case.

Furthermore, the person with measles frequented other settings in Quebec during their contagious period. To consult the list of settings frequented by recent measles cases in Quebec and to learn about the guidelines to follow, consult the Measles Outbreak | Government of Quebec page (quebec.ca) .

People at risk of complications include:

• babies under one year old;
• people with weakened immune systems;
• Pregnant people who are not adequately vaccinated against measles.

It is important to note that people who are part of at-risk groups and who have frequented these places during the indicated period should call Info-Santé 811 as soon as possible.

As a reminder, given the current measles outbreak in Quebec, the Ministry of Health and Social Services (MSSS) is urging the public to ensure their vaccination status is up to date. Vaccination remains the best way to protect against measles.

Key points:

• Measles vaccination is offered at local service points in several regions of Quebec. Appointments can be made online. Health Click
  or by calling 1-877-644-4545.

https://www.quebec.ca/nouvelles/act...ord-dun-avion-en-provenance-de-lafrique-68122

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Locations and dates of possible exposure to a case of measles
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Exhibition venues updated: January 22, 2026, 5:00 PM

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https://www.quebec.ca/sante/problemes-de-sante/a-z/rougeole/eclosion-de-rougeole

 

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Translation Google

First case of measles in the Lower St. Lawrence

The first confirmed case of measles was reported to the Bas-Saint-Laurent Integrated Health and Social Services Centre (CISSS) Public Health Department on February 4, 2026. The individual contracted the disease during a trip abroad. They were in a public place on January 22 in the Bic sector of Rimouski. The Bas-Saint-Laurent Public Health Department is working diligently to limit transmission in the region. Although the risk is low, secondary cases could occur in the coming weeks.

Measles prevention

For people born after 1970, vaccination is the best way to protect against measles. People born before 1970 do not need to be vaccinated, as it is assumed they were exposed to measles during their childhood. If you are unsure of your vaccination status, please call 1-888-862-3487 and select the screening option. You can also book an appointment for vaccination through Clic Santé.

Measles transmission

Measles is highly contagious through the air, and the virus can persist for up to two hours. A person can transmit measles four days before the rash appears and remains contagious for up to four days after the rash develops. It can take up to 21 days for an infected person to develop symptoms.

Symptoms and complications of measles

The classic symptoms of measles are fever, a rash and redness of the body, cough, runny nose, and red eyes (conjunctivitis). Possible complications of measles include hospitalization, ear infections, pneumonia, inflammation of the brain (encephalitis), and sometimes death. Those most at risk of complications are children under 12 months (1 year old), unvaccinated women and pregnant women, and people with weakened immune systems.

What to do if you think you have measles

It is essential to stay home as soon as the first symptoms appear, both to avoid transmitting the illness to others and to avoid contact with people considered more at risk. If you have any doubts about your health or that of a loved one, you can contact Info-Santé at 811 to determine if you should consult a doctor.

Summary of the measles outbreak in Quebec

A measles outbreak has been ongoing in Quebec since December 1, 2025. As of February 5, 2026, 12 cases of measles have been confirmed in Quebec. In addition to the Lower St. Lawrence region, the currently affected regions are the Laurentians, Lanaudière, Laval, Montérégie, and Montreal.

To read the press release
.

https://www.cisss-bsl.gouv.qc.ca/actualites/premier-cas-de-rougeole-au-bas-saint-laurent

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Public Health Notice – Confirmation of a case of measles on board a flight from Mexico

February 5, 2026, 4:00 PM
Published by: Health and Social Services

Public health authorities at the Ministry of Health and Social Services (MSSS) are informing the public that a person with measles travelled on a plane from Mexico City International Airport and arrived in Montreal.

This is Aeromexico flight AM680 which landed at Montreal-Trudeau International Airport (YUL) on January 21, 2026 at 7:25 a.m.

To find out about possible exhibition locations, consult: Quebec.ca/measles .

People who have visited these places during the period indicated are considered to be contacts of a measles case.

People at risk of complications include:

• babies under one year old;
• people with weakened immune systems;
• Pregnant women who have not been adequately vaccinated against measles.

To find out what steps to take if you are a contact of a measles case, consult Quebec.ca/measles .

As a reminder, in the current context of the measles outbreak in Quebec, the MSSS is inviting the population to check if they are protected against this disease.

To book an appointment for your measles vaccination at local service points in several regions of Quebec, visit the websiteHealth Click
or call 1 877 644-4545 .

https://www.quebec.ca/nouvelles/act...-rougeole-a-bord-vol-provenance-mexique-68358

 

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Translation Google​

The measles outbreak has ended in Quebec

It ended last week, after resulting in nine cases.

Published at 12:29 PM

The measles outbreak declared in Quebec last November ended last week, after resulting in nine cases.

During this period, three other additional cases of measles were recorded, but they were not linked to the outbreak: they had instead occurred following travel abroad.

In total, measles affected six regions: the Laurentians, Montreal, Laval, Lanaudière, Montérégie and Bas-Saint-Laurent.

This highly contagious disease is caused by a virus that is transmitted through the air when an infected person breathes, coughs, or sneezes. The first symptoms can resemble those of a common cold, with fever, cough, and nasal congestion. However, a rash on the skin then appears.

Since there is no treatment for measles, getting immunized is the best way to protect yourself from it.

https://www.ledevoir.com/actualites/sante/961827/eclosion-rougeole-pris-fin-quebec
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Measles outbreak

There is no ongoing measles outbreak in Quebec. The last one occurred from November 2025 to February 2026.
...
Exhibition venues updated: March 5, 2026, 5:00 PM

Possible exposure sites for a case of measles

There are no identified exhibition venues in Quebec at this time.

...
https://www.quebec.ca/sante/problemes-de-sante/a-z/rougeole/eclosion-de-rougeole

 

[Shiloh]

Source: https://www.ctvnews.ca/montreal/art...rt-montreal-childrens-hospital-public-health/

Possible measles exposure at airport, Montreal children’s hospital: public health
By Joe Lofaro
Published: March 27, 2026 at 6:47PM EDT​

Montreal’s public health department is warning residents about a new confirmed case of measles.

The case involves a tourist who visited Montreal on March 24 while they were contagious, the department said.

People who visited the following locations might have been exposed to the disease:

Montreal-Trudeau International Airport (baggage carousels, nursing room located near the Subway restaurant and Exits 25–26, customs, and arrivals area) on March 24 between 6:58 p.m. and 10 p.m.
Royal Air Maroc flight (RAM208) on March 24 between 5:12 p.m. and 6:58 p.m.
Sainte-Justine Children’s Hospital emergency room on March 21 between 2:25 p.m. and 5:38 p.m., on March 25 from 1:45 p.m. to 3 p.m., on March 25 between 5:30 p.m. and 11:59 p.m., and on March 26 between midnight to 2:05 a.m.
Sainte-Justine Children’s Hospital medical imaging department on March 25 between 7:40 p.m. and 9 p.m.​..

 

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Translation Google

A first case of measles has been reported in Quebec City.

The infected person had recently returned from a trip abroad.

Published yesterday at 10:42 AM Updated yesterday at 1:53 PM

Sébastien Tanguay
in Quebec

Public Health reports the first case of measles in Quebec City. The infected person had recently returned from a trip abroad and had visited two public places, including the emergency room at the CHU de Québec-Université Laval (CHUL).

“It certainly increases our level of concern,” says Dr. Sara Jeanne Pelletier, a specialist in public health and preventive medicine at the Public Health Department of the CIUSSS de la Capitale-Nationale. “There is a large pool of people who may have been exposed to the case, and people who come to the hospital sometimes have pre-existing health conditions that put them at greater risk of complications.”

Public Health is conducting an investigation to identify individuals who came into contact with the infected person . This individual, a resident of the Quebec City area, visited the Médic Axion clinic on Bouvier Street on March 24 between 10:30 a.m. and 1:15 p.m., before going to the CHUL emergency room waiting area between 8:19 p.m. and 10:21 p.m. Admitted to Emergency Room D, she remained there until shortly after midnight on March 26.

The infected person had returned from a country experiencing a measles outbreak. Public Health is not concerned about their time on a plane and at the airport since, as Dr. Pelletier explains, "their contagious period began upon their return to the region."

This new infection brings the number of reported measles cases in Quebec to four. The other three are concentrated in the Laurentians and Montreal.

The last case of measles in the Capitale-Nationale region dates back to 2019. "It was also a person who had travelled," recalls Dr. Pelletier , "and there was no transmission in the region."

Public Health recommends that anyone who may have been in contact with this case self-isolate for 14 days after their last exposure and get vaccinated. However, people born before 1970, who have measles antibodies, who contracted the virus before 1996, or who have received two doses of the measles vaccine are protected and do not need to self-isolate.

Good vaccination coverage

Measles vaccination coverage reaches nearly 95% among high school students in the Capitale-Nationale region. However, it drops to approximately 90% among elementary school students and 80% among two-year-olds. Despite a growing global trend of vaccine hesitancy, the vaccination rate remains stable in the region.

“Our vaccination coverage rates have remained stable for the past few years,” Dr. Pelletier enthusiastically stated . “In fact, over the last two years, we have observed an increase in vaccination coverage among young people.”

The vaccination status of the infected person remains unclear. "We don't have information regarding the case's vaccination history," explains Dr. Pelletier . "That adds a little more uncertainty to the situation."

Measles, "a highly contagious disease," can lead to "serious infections." Babies under 1 year old, people with weakened immune systems, and pregnant women without protection are particularly at risk.

Since the beginning of 2024, Quebec has faced three measles outbreaks — the most recent of which ended a month ago.

https://www.ledevoir.com/actualites/sante/970574/premier-cas-rougeole-rapporte-quebec
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Measles outbreak

A measles outbreak is underway. As of April 10 at 9:15 a.m. , five cases have been reported in Quebec.

Vaccination is the best way to protect yourself against measles. Before making an appointment for a measles vaccination, check if you are considered immune to measles .

If you have been exposed to measles, follow the steps to take for people who have been exposed .

People not protected against measles who have been in contact with a case of measles or who were in the places and on the dates of possible exposure to a case of measles must self-isolate.


For each case of measles reported in Quebec, a public health investigation is conducted to determine the origin of the infection and to identify people at risk of having been exposed to the measles virus.

Preventive intervention with people exposed to the measles virus can help limit the spread of the disease.

...

https://www.quebec.ca/sante/problemes-de-sante/a-z/rougeole/eclosion-de-rougeole

 

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Translation Google

Public Health Notice – Confirmed case of measles on a flight from Florida

April 13, 2026, 9:27 AM
Published by: Health and Social Services

Public health authorities at the Ministry of Health and Social Services (MSSS) are informing the public that a person with measles travelled on a plane from Miami International Airport and arrived in Montreal.

This is American Airlines flight 2666 which landed at Montreal-Trudeau International Airport (YUL) on April 3, 2026 at 0:39 a.m.

People on board as well as those in the areas of Gate C83, Customs, Baggage Carousel and International Arrivals at Montréal-Trudeau International Airport between 0:39 a.m. and 3:00 a.m. on April 3, 2026 may have been exposed to measles.

To find out about possible exhibition locations, consult: Quebec.ca/measles .

People who have visited these places during the period indicated are considered to be contacts of a measles case.

People at risk of complications include:

• babies under one year old;
• people with weakened immune systems;
• Pregnant women who have not been adequately vaccinated against measles.

To find out what steps to take if you are a contact of a measles case, consult Quebec.ca/measles .

As a reminder, in the current context of the measles outbreak in Quebec, the MSSS is inviting the population to check if they are protected against this disease.

To book a measles vaccination appointment at a local service point, call 1-877-644-4545 and select the screening option. If you are in isolation, please mention that you are a contact of a confirmed measles case when you call.


https://www.quebec.ca/nouvelles/act...ion-cas-rougeole-vol-provenance-floride-69735

 

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Translation Google​

Second case of measles in the National Capital Region

April 13, 2026
Notice to the public
Public health

A second confirmed case of measles was reported to the Public Health Department (DSPublique) of the CIUSSS de la Capitale-Nationale on April 12, 2026. The location of the disease acquisition remains to be confirmed and an epidemiological investigation is underway.

The person moved around:

• In large retail stores in Quebec City, in the Sainte-Foy-Sillery-Cap-Rouge and Les Rivières sectors, on April 6 and 8, 2026
• In three sectors of the Hôpital de l'Enfant-Jésus on April 7, 8 and 9, 2026
• At the CHUL Emergency Department on April 10, 2026

The complete list of exposed locations, as well as the dates and times of exposure for this measles case, are available on this website, under Capitale-Nationale: Measles Outbreak | Government of Quebec

People who were in the locations identified previously during the dates and times indicated are considered to be contacts of a confirmed case of measles.

• If you are immune to measles , it is very unlikely that you will contract the disease. As a precaution, Public Health recommends that you monitor for the appearance of measles symptoms until the date relevant to your situation (see the section " Locations and Dates of Possible Exposure to a Measles Case ").
• If you are not protected against measles , Public Health recommends that you self-isolate at home from the 5th day following your first exposure to measles until the 14th day inclusive after your last exposure, get vaccinated and monitor for the appearance of symptoms until the date corresponding to your situation (see the section Places and dates of possible exposure to a case of measles ).

The Capitale-Nationale Regional Public Health Department is working diligently to limit transmission in the region. Measles is a notifiable disease. For every case of measles reported in Quebec, a public health investigation is conducted to determine the source of the infection and identify individuals at risk of exposure to the measles virus.

About measles

Measles is a highly contagious disease that can cause serious infections. It is caused by a virus that travels through the air when an infected person breathes, coughs, sneezes, or talks. For more information about measles (symptoms, treatments, complications, people at higher risk of complications, transmission): About Measles | Government of Quebec

Measles prevention

Vaccination is the best way to protect yourself against measles.
To find out which people are considered protected against measles, visit the Government of Quebec website .
To check if you are vaccinated, to ask questions about vaccination, or to make an appointment, you have two options:

• Go online to the Clic Santé portal ;
• Call 1-877-644-4545.

Measles outbreak in Quebec

A measles outbreak is underway in the province of Quebec. As of April 10 at 9:15 a.m., five cases have been reported in Quebec.
See the press release.


https://www.ciusss-capitalenationale.gouv.qc.ca/actualites/2e-cas-rougeole

 

[Shiloh]

Source: https://www.cbc.ca/news/canada/montreal/measles-cases-lanaudiere-quebec-9.7176367

3 measles cases detected in Lanaudière region as Quebec outbreak continues
As of Friday, a total of 8 cases have been declared in Quebec
CBC News · Posted: Apr 24, 2026 2:15 PM EDT | Last Updated: 3 hours ago​

Three cases of measles have been detected in Quebec’s Lanaudière region, according to the local health authority.

As of Friday, a total of eight cases have been declared in Quebec as the province faces a measles outbreak.

On Thursday, the dates and sites of possible exposure to measles in Lanaudière were outlined.

The sites include health centres, stores and restaurants in Joliette, Saint-Félix-de-Valois, Saint-Jean-Matha, Saint-Charles-Borromée, Repentigny and Crabtree, Que., between April 3 and April 20...
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Measles in Montreal: a contagious person frequented the Montreal Casino

QMI Agency
Tuesday, April 28, 2026 11:25

A case of measles was confirmed in Montreal on Tuesday. The infected person visited several places while contagious, including the Montreal Casino.

A case of measles in a person living outside Montreal was reported to the Montreal Regional Public Health Department on Saturday.

The person notably frequented the Birdie Rosemont indoor golf course, the Montreal Casino and the Saint-François Xavier Suites.​
...

https://www.tvanouvelles.ca/2026/04...contagieuse-a-frequente-le-casino-de-montreal
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Screenshot:

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The full list of exposure sites in the province, including the ones outside Montréal, is available at https://https://www.quebec.ca/en/health/health-issues/a-z/measles/measles-outbreak.
...

https://santepubliquemontreal.ca/si...ent/ACTU_AVIS_POP_rougeole_28-04-2026_ANG.pdf

 

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Measles cases in the Portneuf region

June 29, 2026
Press room
Public health

Two cases of measles were reported to the Public Health Department (DSPublique) of Santé Québec Capitale-Nationale – Universitaire on June 28, 2026. The first case was acquired through travel abroad. The second case was a contact of the first.

People may have been exposed to measles at various businesses in Pont-Rouge (Super C, Dollarama, and Jean Coutu), as well as at the emergency room of the Portneuf Regional Hospital in Saint-Raymond, on June 12, 13, 14, 15, 23, and 26. A complete list of possible exposure locations, along with the dates and times of exposure for this measles case, is available on this website under Capitale-Nationale: Measles Outbreak | Government of Quebec

The Capitale-Nationale Regional Public Health Department is working diligently to limit transmission in the region. Measles is a notifiable disease. For every case of measles reported in Quebec, a public health investigation is conducted to determine the source of the infection and identify individuals at risk of exposure to the measles virus.

People who were in the locations identified previously during the dates and times indicated are considered to be contacts of a confirmed case of measles.

• If you are immune to measles , it is very unlikely that you will contract the disease. As a precaution, Public Health recommends that you monitor for the appearance of measles symptoms until the date relevant to your situation (see the section " Locations and Dates of Possible Exposure to a Measles Case ").
• If you are not protected against measles, Public Health recommends that you self-isolate at home from the 5th day following your first exposure to measles until the 14th day inclusive after your last exposure, get vaccinated and monitor for the appearance of symptoms until the date corresponding to your situation (see the section Places and dates of possible exposure to a case of measles ).

About measles

Measles is a highly contagious disease that can cause serious infections. It is caused by a virus that travels through the air when an infected person breathes, coughs, sneezes, or talks. For more information about measles (symptoms, treatments, complications, people at higher risk of complications, transmission): About Measles | Government of Quebec

Measles prevention

Vaccination is the best way to protect yourself against measles.
To find out which people are considered protected against measles, visit the Government of Quebec website .
To check if you are vaccinated, to ask questions about vaccination, or to make an appointment, you have two options:

• Go online to the Clic Santé portal ;
• Call 1-877-644-4545.

See the press release

​https://www.ciusss-capitalenationale.gouv.qc.ca/actualites/rougeole
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​ Measles outbreak

There is currently a measles outbreak in Québec. 22 cases have been reported. The most recent case was reported on June 28, 2026.

Vaccination is the best way to protect yourself against measles. Before making an appointment for the measles vaccine, check to see if you are considered protected against measles.

If you have been exposed to measles, follow the mesures for people who have been exposed.
...

• Places and dates of possible exposure to a case of measles

​...

https://www.quebec.ca/en/health/health-issues/a-z/measles/measles-outbreak#c265556

 

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Translation Google

Measles is gaining ground in Portneuf

Five new cases were confirmed on Thursday, bringing the total to seven infections in the region.

Published at 9:41 AM Updated at 12:23 PM

The measles outbreak continues to spread in the Portneuf region, near Quebec City. Five new cases were confirmed on Thursday, bringing the total to seven infections.

The first case, reported to health authorities on Sunday, involved a person from Portneuf returning from a trip abroad. A second case linked to this person was subsequently confirmed.

The five new people infected since then were already in isolation, said Dr. Philippe Robert, the public health director for the Capitale-Nationale region, at a press conference. "When we learned of the first case in the outbreak, we traced the contacts. At the moment, we have more than 300."

The doctor nevertheless expects the number of cases to continue to rise over the next two weeks. "But we are doing everything we can to contain [the outbreak] afterwards," he assured.

Public health teams have already launched a catch-up vaccination campaign for those who may have been exposed to the virus. Since there is no treatment for measles, vaccination remains the best way to protect oneself.

However, some contagious individuals visited various locations in the Portneuf region, unaware at the time that they had contracted the disease. "Measles can be transmitted before symptoms appear," explained Dr. Robert .

Health authorities updated the list of locations where people may have been exposed to the virus on Thursday. These include the Caisse Desjardins in Pont-Rouge, the Jean Coutu pharmacies in Pont-Rouge and Donnacona, and the Maxi grocery store in Donnacona.

"We invite pregnant women who have not been vaccinated in the past, parents of babies under one year old and immunocompromised people to check [this list] and call Info-Santé 811 as soon as possible," said the director of public health for the Capitale-Nationale region.

A degree of "chance"

The Portneuf region is no more vulnerable to a measles outbreak than any other, the public health director emphasized. "It could have happened anywhere, actually. There's an element of chance involved. People are returning from trips. It's very variable. We've had cases in the Quebec City region before."

According to him, the resurgence of cases observed here as elsewhere is explained in particular by a decline in vaccination coverage in some countries, which promotes the circulation of the virus and complicates the control of outbreaks.

A person with measles can infect up to fifteen others. The virus spreads through the air when an infected person breathes, coughs, or sneezes.

The first symptoms of the illness can resemble those of a common cold, accompanied by fever, cough, nasal congestion with runny nose, and conjunctivitis. Redness then appears on the skin, first on the face, then on the body.

Measles can lead to complications such as pneumonia, loss of sight or hearing, and permanent brain damage. "It can be fatal in one out of 3,000 cases. So it's rare, but it does happen," said Dr. Robert .

In Quebec, there are currently 27 cases of the disease.

https://www.ledevoir.com/actualites/sante/991841/rougeole-gagne-terrain-portneuf​

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Measles outbreak

There is currently a measles outbreak in Québec. 27 cases have been reported. The most recent case was reported on June 30, 2026.

Vaccination is the best way to protect yourself against measles. Before making an appointment for the measles vaccine, check to see if you are considered protected against measles.

If you have been exposed to measles, follow the mesures for people who have been exposed.
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• Places and dates of possible exposure to a case of measles

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​https://www.quebec.ca/en/health/health-issues/a-z/measles/measles-outbreak#c265556