Canada has already seen more cases of measles in 2024 than in all of 2023. And rates of the disease in Europe and the United States are also rising. Meanwhile, vaccine uptake for the MMR shot, which protects against measles, has collapsed in recent years.

So how worried should we be about what is—for now—still just a handful of cases? Why have vaccine rates for a decades-old and proven vaccine fallen so quickly? What do you need to know about a disease that, just a few years ago, was all but eradicated in Canada?

GUEST: Dr. Raywat Deonandan, epidemiologist, associate professor at the University of Ottawa Faculty of Health Sciences

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