Vaccines are safe

Vaccines used in Canada are safe and effective.

There are many standards and processes in place to ensure that the vaccines we receive are safe. All vaccines are thoroughly tested, and must be shown to be safe and effective before these products are approved for use. This process can take up to 10 years or longer. But it doesn’t stop there: once a vaccine has been approved for use, its safety is continuously monitored.

Vaccine safety is complex, and many people have questions about it. This section provides trustworthy, science-based information that will reassure you that vaccines are safe and that their benefits greatly outweigh the risks.