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Apr
Toronto, April 30, 2025: With measles cases rising sharply across Canada, many Canadians are asking whether they need a third dose of the MMR vaccine. Health officials say the short answer is no, at least not for most people.According to Health Canada, two doses of the MMR (measles, mumps, rubella) vaccine provide near complete protection. A single dose gives up to 95% immunity, while two doses offer about 99–100% effectiveness. For now, a third or “booster” dose is not recommended unless advised by a healthcare provider.Those unsure of their vaccine status are encouraged to check with their doctors or request…