Comirnaty or Pfizer-BioNTech COVID-19 Vaccine (2023-2024 Formula)

Find COVID-19 Vaccines (Pfizer/BioNTech) medical information

Find COVID-19 Vaccines (Pfizer/BioNTech) medical information

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Report Adverse Event

Pfizer Safety

To report an adverse event related to a Pfizer product 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 either product, adverse events should be reported to your coordinating study site.

If you cannot use the above website to report an adverse event related to a Pfizer product, please call Pfizer Medical Information at (800) 438-1985.

FDA Medwatch

You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns either online at www.fda.gov/medwatch or by calling  (800)-332-1088.