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Welcome to Moderna Canada

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So, what is mRNA?

Messenger RNA (mRNA) already exists in your body. It carries a “message” - instructions that direct your cells what to do.

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Fighting disease differently

mRNA medicines fight diseases in a different way than traditional medicine by prompting your immune system to create the tools to treat or prevent disease.

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Limitless treatments

We believe that if mRNA can be used to treat one disease, it can treat many diseases.

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Helping more people

mRNA medicine contains no animal products or preservatives, making medicine accessible for as many people as possible.

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More medicines, faster

Our platform enables rapid design, research and testing of multiple mRNAs, within days. Our novel production methods allow us to get medicines to more people, faster.


Report an adverse event or product complaint

Managing marketed health product-related side effects depends on healthcare professionals and patients reporting them. Any serious or unexpected side effects in patients receiving a Moderna vaccine should be reported to your local Health Unit.

If a patient experiences a side effect following immunization, please complete the Adverse Events Following Immunization (AEFI) Form appropriate for your province/territory and send it to your local Health Unit.

In addition, you can report side effects to Moderna at Adverse Event Intake Portal or by calling

1-866-MODERNA (1-866-663-3762).