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Measles is making a comeback in Canada. What’s driving the surge? - National | Globalnews.ca

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So far this year , Canada has reported 95 cases of measles, with British Columbia , Manitoba , Ontario and Quebec bearing the brunt of the outbreak.

At this time last year , there were only four reported measles cases in Canada .

Measles is one of the most contagious infectious diseases — more contagious than diseases like COVID-19 , influenza and chickenpox.

78 per cent of those infected were unvaccinated.

The disease was declared eradicated in Canada in 1998 following an extensive immunization campaign.

Since its approval in 1963 , the vaccine has led to a decrease of more than 99 per cent in measles cases.

The efficacy of a single dose of the measles vaccine given at 12 or 15 months of age is estimated to be between 85 and 95 per cent.