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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.
Moderna
514,569 total reports19.5% market share
514,569
Total Reports
11,510
Deaths
47,956
Hospitalizations
3
Vaccines
About Moderna
Moderna has 514,569 adverse event reports in VAERS, representing 19.5% of all manufacturer-attributed reports.
Of these reports, 11,510 mentioned death and 47,956 involved hospitalization.
Moderna produces 3 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 Moderna
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
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.