Ontario, Canada: 2025 Measles - 2,223 total cases; 1 death

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Source: https://www.cbc.ca/news/canada/londo...ario-1.7553265

Measles-infected baby dies in southwestern Ontario
Death is 1st recorded in current measles outbreak that started in October
Alessio Donnini · CBC News · Posted: Jun 05, 2025 1:42 PM EDT | Last Updated: 14 minutes ago

Ontario's Ministry of Health has announced the first recorded death of a measles patient from the current outbreak that started in October.

Dr. Kieran Moore, chief medical officer of health, issued a statement Thursday saying a southwestern Ontario infant has died after being born prematurely and infected with the highly contagious virus through the mother.

Moore offered few other details.

Southwestern Public Health, which covers Oxford and Elgin counties, confirmed the child was from a community in their coverage area...

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Table 3: Characteristics of Measles Outbreak Cases: Ontario, October 28, 2024 – June 10, 2025



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https://www.publichealthontario.ca/-/media/Documents/M/24/measles-ontario-epi-summary.pdf?rev=312baf8c6ce749af8da0ad76b5eac215&sc_lang=en&hash=BFDB7D982620A7678D1B544ABEE6C0F9

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Translation Google

New measles cases increase in northern Ontario

(Toronto) A region in northern Ontario that saw its first measles infection in April is now recording dozens of new cases for the third week in a row.

Posted yesterday at 10:01 PMShare
Hannah Alberga
The Canadian Press

Public Health Ontario is reporting 96 new cases of measles in the province in the past week, bringing the total to 2,179 since the outbreak began in October.

The Algoma Public Health Unit, which includes Sault Ste. Marie, is reporting 34 of these new infections. Last week, the unit recorded 28 new infections, a number that has increased since April 23, when it reported its first case this year.

This figure brings the total number of cases in the northern health unit to 115, including three hospitalizations.

Dr. John Tuinema, Algoma's associate medical officer of health, said the increase was expected.

"Our first case occurred a few months after much of what happened in southwestern Ontario, so I would say we are in a similar situation to what we saw a few months earlier," explained Dr. Tuinema .

However, he said his northern region likely won't reach the numbers seen in southwestern Ontario due to high vaccination rates and a small population.

According to Algoma Public Health, 87% of 7-year-olds and 97% of 17-year-olds are vaccinated against measles.

"When a case is detected, if it comes into contact with vaccinated people, herd immunity quickly reaches its threshold. But the virus continues to spread in a part of the unvaccinated population. It manifests almost exclusively in private places, such as households," stressed Dr. Tuinema .

The Southwest Public Health Unit, considered the provincial hotbed of the outbreak for the past seven months, has recorded a total of 751 cases.

This figure includes 12 new infections, which have been decreasing week by week over the past month.

https://www.lapresse.ca/actualites/sante/2025-06-19/les-nouveaux-cas-de-rougeole-augmentent-dans-le-nord-de-l-ontario.php

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https://www.publichealthontario.ca/-/media/Documents/M/24/measles-ontario-epi-summary.pdf?rev=312baf8c6ce749af8da0ad76b5eac215&sc_lang=en&hash=BFDB7D982620A7678D1B544ABEE6C0F9

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Source: https://www.elliotlaketoday.com/loca...store-10880955

Public health warns of possible measles case at Thessalon store
Algoma Public Health is urging anyone who visited the Great Canadian Dollar Store on June 26 between 2:30 and 5:30 p.m. to check their immunization status
ElliotLakeToday Staff
7 minutes ago

NEWS RELEASE
ALGOMA PUBLIC HEALTH
***************************
Algoma Public Health (APH) is investigating a potential measles exposure location in Algoma. Measles is a highly contagious virus that spreads easily through the air, especially indoors or in other enclosed spaces. APH is conducting a detailed investigation and taking all necessary measures to prevent further spread of the virus.

Potential Exposure Location:
Thursday, June 26, 2025
Great Canadian Dollar Store
208 Main St.
Thessalon, Ont.
2:30 to 5:30 p.m...

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Source: https://www.stratfordtoday.ca/local-...tment-10891463

Measles exposure at St. Marys hospital emergency department
Anyone who was at this location during the timeframe needs to monitor for measles signs and symptoms for 21 days after exposure
StratfordToday Staff
about 2 hours ago

HURON PERTH PUBLIC HEALTH
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Huron Perth Public Health (HPPH) is advising the community of a new measles exposure. The exposure occurred at the following location, date and time:

St. Marys Memorial Hospital – Emergency Department | 267 Queen St. W., St. Marys
Saturday, June 28, 2025 | 11 a.m.-4:07 p.m.

Anyone who was at this location during the timeframe needs to monitor for measles signs and symptoms for 21 days after exposure...

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Source: https://www.castanet.net/news/Canada...lth-data-shows

Fewer new measles cases in Ontario, public health data shows
Measles spread slowing
Nicole Ireland, The Canadian Press - Jul 3, 2025 / 2:28 pm | Story: 559750

A Public Health Ontario report released Thursday suggests a continuing downward trend in new measles cases.

The health agency reported 12 new cases in the province, down from 33 additions last week and 96 the week before that.

Two more people were infected with the highly contagious disease in a northern region that includes Sault Ste. Marie and surrounding areas. That region had been showing the biggest increase in cases for a few weeks.

Meanwhile, four more people were infected in southwestern Ontario — the area that was hardest hit for months.

Public health officials acknowledged the declining trend but also noted that new cases still emerge weekly and that a reporting lag means it’s possible that infections from previous weeks have not yet been reported.

PHO explained that numbers will dip during an outbreak “as the proportion of susceptible people in communities become immune, through vaccination or infection.”

“PHO will continue to monitor measles data and activity closely in the coming weeks and months,” it said by email.

Ontario has had a total of 2,223 measles cases since an outbreak linked to travel in New Brunswick began last October.

Thursday’s report also deducted one case that had previously been reported in Wellington-Dufferin-Guelph. PHO would not reveal details, citing privacy reasons, but said some cases may be reclassified following an investigation...

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Source: https://www.bayshorebroadcasting.ca/...alth-region-2/

New Measles Exposure In Huron-Perth Health Region
Fadi Didi
Jul 8, 2025 | 4:00 AM

St. Marys is the latest town in the Huron-Perth health region with a measles exposure.

Huron Perth Public Health says the exposure occurred June 28th in the Emergency Department of St. Marys Memorial Hospital.

Several exposures were announced in early June at locations around Stratford and Mitchell...

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Source: https://www.cbc.ca/news/canada/hamil...sure-1.7585321

Hamilton public health says possible measles exposures at Costco, Service Ontario
An adult and infant have contracted the virus
Samantha Beattie · CBC News · Posted: Jul 15, 2025 11:00 AM EDT | Last Updated: 2 hours ago

Hamilton public health says it's investigating two cases of measles, in an infant and adult, and is warning residents they may have been unknowingly exposed to the virus.

The two patients contracted the virus through travel, said public health in a news release Tuesday.

The agency is now notifying those they came into direct contact with as well as members of the public who went to the following places in Hamilton:

Service Ontario, 50 Dundurn St. S., Unit 10, July 7 from 1 to 3:30 p.m.

Costco-Ancaster, 100 Legend Ct., July 7 from 3 to 8 p.m.

Upper Gage Clinic and Gage Pharmacy, 1050 Upper Gage Ave., Unit 3, July 9 from 11:30 a.m. to 2:30 p.m.

Ellen Fairclough Building in Service Ontario as well as the main lobby, elevators and fourth floor, 119 King St. W. from 3:30 to 7 p.m...

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Source: https://www.durhamradionews.com/archives/200076

Officials warn of possible measles exposure at church in Bowmanville
July 23, 2025 | 3:41 pm

Public health are out with a warning after a person visited a local church while contagious with measles.

It happened at Salem United Reformed Church, at 2607 Concession Road 4 in Bowmanville.

If you were at the church on Sunday, July 20 – between 9:30 a.m. and 1 p.m., or between 3 p.m. and 6:30 p.m. – you will want to monitor yourself for symptoms until August 10.

Officials say the patient is from outside of Durham Region...

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Source: https://www.owensoundsuntimes.com/ne...maun-crossings

Potential for measles exposure on recent Chi-Cheemaun crossings
Public health says potential exposure to measles occurred on July 17 and July 21 crossings
Author of the article: The Sun Times
Published Jul 25, 2025

The public is being advised about the possibility of being exposed to measles on two recent crossings of the Chi-Cheemaun ferry between Tobermory and Manitoulin Island.
Article content

As part of a contract tracing investigation, Public Health Sudbury and District has identified and shared with Grey Bruce Public Health that individuals could have been exposed to the measles virus while aboard the Chi-Cheemaun on July 17 and 21.

The potential exposure times included the 11 a.m, crossing from South Baymouth to Tobermory and 1:15 p.m. crossing from Tobermory to South Baymouth on July 17; and on the 1:15 p.m. crossing from Tobermory to South Baymouth and the 3:30 p.m. crossing from South Baymouth to Tobermory on July 21...

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Source: https://windsorite.ca/2025/07/possib...otification-3/

Possible Public Measles Exposure Notification
windsoriteDOTca News Staff
Wednesday July 30th, 2025, 5:20pm

The Windsor-Essex County Health Unit asks anyone who visited the location(s) listed below on the identified date(s) to monitor themselves for symptoms of measles for up to 21 days from the date of exposure. Individuals can contact a healthcare provider to review their immunity status...

.. Real Canadian Superstore Talbot Street
201 Talbot Street East in Leamington
Saturday, July 26th, 2025, 4:00pm – 6:30pm
Entire Building

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Source: https://kingsvilletimes.ca/2025/08/p...-july-31-2025/


Possible Public Measles Exposure Notification — July 31, 2025
August 1, 2025 9:16 am by Windsor-Essex County Health Unit

..... Possible Public Exposure Location:


Erie Shores HealthCare
194 Talbot St W, Leamington
Sunday, July 27, 2025, 9:00am – 4:00pm

• Emergency Department

. View Full List of Potential Public Exposure Locations