Find evidence-based answers to common questions about vaccines. Learn about what goes into vaccines and how they affect your body so you can make informed decisions about getting vaccinated.
Before any vaccine is approved for use by Health Canada, it must go through in-depth testing to prove it is safe and that it works. Even after a vaccine is approved for use, its safety is continuously monitored.
Understand how vaccines work and interact with your immune system.
Children often receive multiple vaccines during one visit. Learn why this happens and how it works.
Like any medication, vaccines can cause side effects. Learn more about what to expect.
Learn about the different types of ingredients in vaccines and why they are used.
The terms vaccine, vaccination, and immunization are used throughout this website. Learn what they mean and the difference between them.
Understand how and why experts have concluded that childhood vaccines do not cause autism.
Browse frequently asked questions and topics about immunizations.
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