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    Report Adverse Event

    Pfizer Safety

    Contact Pfizer Safety to report an adverse event, side effect or concern about the quality of a Pfizer product: 1 866 723-7111.

    To report an adverse event related to the Pfizer-BioNTech COVID-19 Vaccine, and you are not part of a clinical trial* for this product, click the link below to submit your information:

    Pfizer Safety Reporting Site

    *If you are involved in a clinical trial for this product, adverse events should be reported to your coordinating study site.

    Canada Vigilance Program 

    You may also contact the Canada Vigilance Program directly to report adverse events or product quality concerns at 1-866-234-2345 or www.healthcanada.gc.ca/medeffect