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Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
Pfizer / BioNTech
559,257 total reports21.2% market share
559,257
Total Reports
12,677
Deaths
67,668
Hospitalizations
2
Vaccines
About Pfizer / BioNTech
Pfizer / BioNTech has 559,257 adverse event reports in VAERS, representing 21.2% of all manufacturer-attributed reports.
Of these reports, 12,677 mentioned death and 67,668 involved hospitalization.
Pfizer / BioNTech produces 2 vaccines tracked in VAERS. As one of the largest vaccine manufacturers by report volume, their high report count primarily reflects extensive market distribution rather than safety concerns.
Vaccines by Pfizer / BioNTech
Understanding Manufacturer Data
•Market presence matters: More reports often reflect more doses distributed, not necessarily more safety issues.
•Reporting varies: Newer vaccines and those under heightened scrutiny tend to have higher reporting rates.
•All manufacturers meet FDA standards: Safety and efficacy requirements apply equally to all approved vaccines.
Top Vaccines
1. COVID19534,546
2. COVID19-224,711
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.