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How do I report an adverse event (serious or unexpected side effects or medical events) following vaccination?
How do I report an adverse event (a serious or unexpected side effect or medical event) following vaccination?
Please report any adverse events (serious or unexpected side effects or medical events following vaccination) to the health care provider who gave you the vaccine. You can also report an adverse event to your own health care provider (if different from who gave you the vaccine), or you can call your local health unit and ask to speak with a public health nurse.
Health care providers are trained to report these events to the correct channels. Reporting adverse events following vaccination is an important part of Canada's vaccine safety monitoring process. Read more about vaccine safety monitoring.
If you are concerned about any serious reactions, call your doctor, your local health unit, or call 8-1-1 to speak with a nurse. If this is an emergency, call 9-1-1.
Date last reviewed:
Thursday, May 05, 2022