Latest from Jennifer Yoon
Vaccination, immunity and records: Your questions on measles, answered
From vaccination to immunity, here are your questions about measles answered, as Canada continues to see cases rising in 2025.
Researchers retract, then re-publish study linking wildfire smoke and dementia
The corrected result is no longer statistically significant, meaning there is some possibility the result is due to chance, but it's not the first time air pollution has been linked to dementia.
What to know about legionnaires' disease during the London, Ont., outbreak
Legionnaires' disease is in the headlines this week after public health officials in southwestern Ontario declared an outbreak.
Vaccination rates are slipping around the world. Canada isn't immune, says new study
The pandemic dealt a heavy blow to vaccination rates, with an estimated 15 million children missing routine shots between 2020 and 2023, said an author of the study published in The Lancet. The world never fully rebounded to pre-pandemic childhood vaccination levels.
They're too young to drive or vote — but they're caring for their ailing loved ones
Findings from a recent case study suggest that as family doctors treat a growing aging population, they will also need to start providing support for the young people who are increasingly sharing the burden of caring for loved ones.
Should childhood vaccinations be mandatory? Almost 70% of Canadians think so, according to a new poll
Measles cases are surging across Canada, so it might not come as a surprise that nearly 70 per cent of Canadians surveyed recently by the Angus Reid Institute agreed that childhood vaccinations should be mandatory.
With measles outbreaks growing in Canada, this mother pleads with parents to vaccinate
With measles cases on the rise in Canada at rates unseen in almost three decades — and vaccination coverage for childhood vaccines like the measles, mumps and rubella (MMR) shot falling since the pandemic — those who've suffered from measles complications are pleading that those who can get vaccinated do.
Second Opinion
Step up measles vaccinations, say doctors as outbreaks accelerate in Ontario, Alberta
Measles outbreaks in Ontario and Alberta continue to grow because vaccination rates are too low, say some doctors urging provincial public health officials to step up efforts.
Do I need a third dose of the measles vaccine? And other common questions answered
With over 1,000 cases in Ontario alone, 2025 is already a record-shattering year for measles infections.
RFK Jr. calls artificial food dyes 'poisonous.' Here's how they're regulated in Canada
The U.S. Food and Drug Administration plans to phase out eight food dyes. U.S. Health and Human Services Secretary Robert F. Kennedy Jr. called them "poisonous compounds." The evidence is a bit more nuanced though. Here is a fact check.