Video courtesy of Health Canada. All contents may not be reproduced without permission and are copyright of Her Majesty the Queen in Right of Canada, Represented by the Minister of Health, 2012.
Vaccines provide immunity that protects you from disease without the risk of the infection.
Here's how vaccines work:
It's just like... A dress rehearsal for your immune system so it is prepared for the ‘real show’ (the disease).
Sometimes vaccines prevent one disease. Sometimes they are combined to protect you from several diseases with one shot. For example, the MMR vaccine provides protection against measles, mumps and rubella.
Most vaccines need more than one dose over time to produce full protection. That’s why it’s important to follow the immunization schedule - it gives the best protection with the fewest doses of each vaccine.
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