Jennifer Yoon, CBC's senior health reporter, delves into the alarming resurgence of measles in Canada, where cases are now surpassing those in the U.S. She discusses how a recent outbreak linked to a wedding has sparked a public health crisis, particularly in Ontario and Alberta. Yoon highlights the critical importance of vaccinations, especially in communities with low uptake. The conversation also addresses the impact of misinformation on public health and the ongoing challenges in protecting vulnerable populations, including infants, during outbreaks.