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Tag: Ontario

Topic: air qualityView all posts for the topic: air quality

Toronto has some of the worst air quality in the world right now — and a new study says smog and wildfire smoke can damage your heart

Published July 14, 2025

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Published by: Toronto Star
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By Omar Mosleh

With the city once again blanketed in wildfire smoke, experts are warning that long-term exposure to air pollution can lead to higher risk of heart failure.

Environment Canada issued a special air quality statement on Sunday night due to wildfire smoke from northern Ontario pushing Toronto’s Air Quality Health Index to 10+, classified as “very high risk.” Poor air quality was expected to persist Monday and possibly into Tuesday.

The effects of air pollution on the heart are underscored in a recent study, which found that long-term exposure to air pollution, in particular fine particulate matter, was linked to higher levels of diffuse myocardial fibrosis, a type of heart scarring that can lead to higher risk of heart failure.

Continue readingToronto has some of the worst air quality in the world right now — and a new study says smog and wildfire smoke can damage your heart
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Topic: TorontoView all posts for the topic: Toronto

Air quality alert issued for Toronto, GTA as forest fire smoke pushes levels to ‘high risk’

Published July 14, 2025

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Published by: Toronto Star
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By Allie Moustakis

Toronto and much of the GTA are under a special air quality statement as smoke from forest fires in northern Ontario pushes into the region, Environment Canada warned Sunday night.

The agency says winds are carrying smoke into the area, reducing visibility and pushing the Air Quality Health Index to 10+, classified as “very high risk,” early Monday morning. Poor air quality is expected to persist into Monday and possibly Tuesday, Environment Canada added.

Torontonians are urged to reduce or reschedule strenuous outdoor activities, particularly if you experience coughing, runny nose, throat or eye irritation or any other symptoms.

People aged 65 and older, pregnant people, infants and young children, people with an existing illness or chronic health condition and people who work outdoors are most at risk, Environment Canada says, adding that more serious symptoms such as chest pain or severe coughing should be treated as medical emergencies.

Continue readingAir quality alert issued for Toronto, GTA as forest fire smoke pushes levels to ‘high risk’
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Topic: OntarioView all posts for the topic: Ontario

There’s a tick population boom happening in Eastern Ontario

Published July 5, 2025

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Published by: The Ottawa Citizen
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By Elizabeth Payne

Eastern Ontario is at the epicentre of a tick population boom, and with it, health officials are reporting the highest levels of Lyme disease in the province.

So far this year, there have been 186 confirmed cases of Lyme disease in south-east and Eastern Ontario, stretching from about Prince Edward County to the Quebec border, including Ottawa, according to Public Health Ontario. That is more than half of all the cases in the province since the beginning of 2025.

By far, the highest concentration of the tick-spread disease in the province is within the large South East Health Unit, which includes Smiths Falls, Brockville, Kingston, Belleville and Prince Edward County, among other regions. With 132 cases, it has the highest rate of Lyme disease in Ontario.

Ottawa, with 41 cases, and the Eastern Ontario Health Unit, with 13 cases, also have higher-than-average rates of Lyme disease. Those reported cases reflect the climate-driven growth of tick populations across the area and heightened risk of Lyme disease and anaplasmosis, which are both spread by blacklegged ticks carrying bacteria.

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Topic: measlesView all posts for the topic: measles

Fewer new measles cases in Ontario, public health data shows

Published July 3, 2025

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Published by: The Canadian Press
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By Nicole Ireland

TORONTO – 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.

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Topic: British ColumbiaView all posts for the topic: British Columbia

B.C.’s premier says measles spikes across Canada a result [of] anti-vax ‘recklessness’

Published June 25, 2025

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Published by: The Canadian Press
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By Chuck Chiang

VANCOUVER – British Columbia Premier David Eby says the growing spread of measles across Canada is “the sadly predictable outcome” of the “recklessness” of anti-vaccination politicians.

Eby says the disease is “no joke,” given the potentially serious impact on those infected, and it’s preventable with two vaccine shots.

He told a Vancouver news conference that the focus for provincial public health authorities now is to make sure that people who are not protected receive full vaccination.

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Topic: AlbertaView all posts for the topic: Alberta

Measles ‘out of control,’ experts warn, as Alberta case counts surpass 1,000

Published June 21, 2025

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Published by: CBC News
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By Jennifer Lee

Alberta’s measles outbreaks have now eclipsed the 1,000-case mark and infectious disease specialists are warning the virus is “impossible to contain,” given the current level of transmission.

The province reported another 24 cases on Friday, including 14 in the north zone, nine in the south and one in the Edmonton zone.

This brings the total confirmed cases since the outbreaks began in March to 1,020.

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Topic: Ottawa-GatineauView all posts for the topic: Ottawa-Gatineau

Ottawa’s air quality among the worst in the world as wildfire smoke blankets the region

Published June 6, 2025

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Published by: CTV News
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By Josh Pringle

The City of Ottawa is experiencing some of the worst air quality in the world due to wildfire smoke on Friday, with the poor air quality expected to continue into Saturday.

A special air quality statement remains in effect for Ottawa, eastern Ontario and western Quebec, warning smoke is causing poor air quality and reduced visibility.

“High risk air quality due to wildfire smoke is expected over the area overnight. As smoke levels increase, health risks increase,” Environment Canada said in an updated statement at 5 p.m. Friday.

“Limit time outdoors. Consider reducing or rescheduling outdoor sports, activities and events.”

Ottawa’s air quality was rated 10+ or “Very High Risk” at 4 p.m., after a slight improvement earlier in the day. The Air Quality Health Index shows Ottawa’s air quality will be or 10 or “High Risk” tonight, improving to to “5-Moderate Risk” tomorrow.

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Topic: TorontoView all posts for the topic: Toronto

Air quality in Toronto among worst in the world amid wildfire smoke, global tracker shows

Published June 6, 2025

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Published by: CBC News
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By Rochelle Raveendran

Toronto is currently the second most polluted major city in the world as wildfire smoke spreads across the city, according to a global tracker.

The ranking by IQAir, a Swiss air quality technology company, puts the city below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces.

As of noon Friday, air quality in Toronto was above 10 on Environment Canada’s air quality health index, which means “very high risk,” according to the weather agency’s website.

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Topic: climate crisisView all posts for the topic: climate crisis

Wildfires: Toronto and Montreal among the cities with the worst air pollution in the world

Published June 6, 2025

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Published by: Radio-Canada
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By Stéphane Bordeleau

The smoke generated by the fires raging in the forests of western Canada worsened air quality on Friday in the Prairies, Ontario and Quebec, where warnings of smog and poor air quality were issued by Environment Canada.

Early this morning, Toronto and Montreal were among the most heavily polluted cities in the world, according to the website of the Swiss company IQAIR, which operates a global air quality monitoring network.

According to the measurements posted on the company’s website, at around 8.30 am, Montreal and Toronto were respectively the second and third most polluted cities in the world, behind Tashkent in Uzbekistan.

In Canada, the worst air quality was measured in Winnipeg and Ottawa on Friday morning.

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Topic: measlesView all posts for the topic: measles

Ontario confirms death of infant infected with measles

Published June 5, 2025

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Published by: CTV News
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By Joshua Freeman

An infant in southwestern Ontario who contracted measles from their mother before birth and was born prematurely has died, Ontario’s chief medical officer of health says.

The child’s mother had not been vaccinated against the viral illness, Dr. Kieran Moore said in his statement.

While measles can be fatal, especially for young children, Moore noted the child also faced other “serious medical complications.”

“While measles may have been a contributing factor in both the premature birth and death, the infant also faced other serious medical complications unrelated to the virus,” Moore said.

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Topic: vaccinesView all posts for the topic: vaccines

Almost 70 per cent of Canadians surveyed want child vaccines to be mandatory: poll

Published May 29, 2025

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Published by: The Canadian Press
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By Hannah Alberga

A new poll suggests nearly 70 per cent of Canadians support mandatory childhood vaccinations, but at least one public health official says she’s uncomfortable with the idea of forcing parents to immunize their kids.

The Angus Reid Institute survey landed Thursday as Public Health Ontario said 93 new measles cases have emerged in the province over the past week, bringing the total number of infections there to 1,888 since October.

The poll found 69 per cent of respondents said proof of immunization should be required for kids to attend daycare and school. That’s an increase from the 55 per cent of respondents who said the same thing last year, before a measles outbreak emerged in multiple provinces and infected mostly unvaccinated infants, kids and teens.

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Topic: OntarioView all posts for the topic: Ontario

Ontario government exempts disability benefit as income

Published May 27, 2025

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Published by: CTV News
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By Reta Ismail, Lauren Kuivenhoven

The Ontario government announced today that the Canada Disability Benefit (CDB) will be exempted as income.

“In a time of unprecedented economic uncertainty brough on by US tariffs and trade barriers, our government is taking action to keep costs down and protect Ontario families,” the provincial minister of children, community and social services said in a statement.

This decision will help the most vulnerable, the statement continued. People who rely on social assistance will receive the benefit without reduction in their social assistance payments.

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Topic: measlesView all posts for the topic: measles

Measles cases increase by 173 in Ontario, bringing outbreak’s total close to 1,800

Published May 22, 2025

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Published by: The Canadian Press
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By Nicole Ireland

TORONTO – Public Health Ontario says 173 more people have been infected with measles in the province over the past week, bringing the number of cases to 1,795 since the outbreak began last October.

“That’s 173 more cases than we want to see,” said Dr. Sarah Wilson, a public health physician at the agency.

Public Health Ontario’s weekly measles report, released Thursday, said the virus continues to spread primarily among people who have not been vaccinated.

Continue readingMeasles cases increase by 173 in Ontario, bringing outbreak’s total close to 1,800
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Topic: measlesView all posts for the topic: measles

Ontario reports nearly 200 new measles cases as virus spreads across Canada

Published May 8, 2025

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Published by: CBC News / The Canadian Press
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By Hannah Alberga

Health officials say measles infected 197 more people in Ontario over the last week as the highly contagious disease emerged in new parts of the country.

That brings the province’s tally of probable and confirmed cases to 1,440 since an outbreak began in October.

Public Health Ontario’s measles report says there have been 101 hospitalizations, including 75 children. Eight patients have been in intensive care.

Nova Scotia and Northwest Territories each reported measles cases earlier this week, marking their first since this outbreak began.

Alberta reported yesterday that its overall case count had reached nearly 300 since mid-March, including three patients under the age of 18 in intensive care.

Saskatchewan updated its cumulative count to 27 cases today, a day after Manitoba reported it had reached 24 cases.

Measles has mostly infected unvaccinated children, infants and teenagers, with almost 500 cases in Ontario’s southwestern public health unit.

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Ottawa: Contact councillors — save our wastewater monitoring!Image of a chart with a plot of virus concentrations over time. Navy blue background with white text reading: Save our science — protect Ottawa's wastewater monitoring! Text in red: No data.
Topic: take actionView all posts for the topic: take action

Ottawa: Contact councillors — save our wastewater monitoring!

Published May 2, 2025

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📣 Let municipal councillors know you want funding for wastewater monitoring to continue

✉️ Send letters to municipal councillors in Ottawa to voice your support for wastewater monitoring. Use our online tool to send emails.

Why take action? The funding for Ottawa’s wastewater monitoring program is currently set to expire in September 2025. Wastewater monitoring is an essential public health tool that provides insights into the spread of SARS-CoV-2 and other viruses in Ottawa. We need an early warning system to inform everyone about the prevalence of SARS-CoV-2 subvariants, influenza, avian flu, RSV, mpox, and other viruses.

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Topic: Ottawa-GatineauView all posts for the topic: Ottawa-Gatineau

Ottawa has its 1st confirmed measles cases of the decade

Published May 1, 2025

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Published by: CBC News
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Ottawa has its first confirmed measles cases since 2019, part of the still-growing outbreak in many parts of the province.

Ontario has now reported 1,243 measles cases across 17 public health units, including 223 new cases in the week since its last update.

That includes new cases in Algoma Public Health in the Sault Ste. Marie area and Renfrew County’s health unit northwest of Ottawa.

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Topic: OntarioView all posts for the topic: Ontario

Ontario reports 95 new measles cases, sending total above 1,000 since outbreak began

Published April 24, 2025

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Published by: The Canadian Press
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By Nicole Ireland

TORONTO – Public Health Ontario is reporting 95 new measles cases since last week, bringing the total number of people infected past 1,000.

It says a total of 1,020 people have had measles since the province’s outbreak began last October.

The agency says the ongoing rise in cases is “due to continued exposures and transmission among individuals who have not been immunized.”

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Ontario School Safety Calls on Province for an Immediate Vaccine-PLUS Strategy to Tackle Current Measles OutbreakColourized transmission electron micrograph of a measles virus particle (red), with a blue background. Photo: CDC and NIAID. Licensed under Creative Commons CC BY 2.0 DEED Attribution 2.0 Generic license. https://creativecommons.org/licenses/by/2.0/
Topic: OntarioView all posts for the topic: Ontario

Ontario School Safety Calls on Province for an Immediate Vaccine-PLUS Strategy to Tackle Current Measles Outbreak

Published April 24, 2025

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Published by: Ontario School Safety
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Toronto, Ontario – [April 24, 2025] – In an urgent appeal to protect the health and safety of Ontario’s students, education workers, and families, Ontario School Safety (OSS) has issued an open letter asking the Ontario Provincial Government and Public Health Ontario for an immediate vaccine-PLUS strategy, which includes the essential role of healthy indoor air, to curtail the spread of measles. This critical request comes in the wake of concerning measles infection rates – as of April 17th, 2025, Public Health Ontario is reporting 925 measles cases in the province, more than five times the number of cases than the total number of cases over the last 12 years. Encouraging a vaccine-only strategy is insufficient due to barriers to access, and because measles spreads not only through direct contact with secretions or contaminated surfaces, but through the air we breathe.

Continue readingOntario School Safety Calls on Province for an Immediate Vaccine-PLUS Strategy to Tackle Current Measles Outbreak
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