Measles outbreak that contributed to Canada losing elimination status highlights risks from persistent immunity gaps

The outbreak that contributed to Canada losing its measles elimination status in November 2025 was concentrated in historically under-vaccinated communities with close social networks across Canada, the US, Mexico, and beyond, creating opportunities for cross-border…

The outbreak that contributed to Canada losing its measles elimination status in November 2025 was concentrated in historically undervaccinated communities with close social networks across Canada, the U.S., Mexico and beyond, creating opportunities for cross-border…