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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.
MedImmune
13,362 total reports0.5% market share
13,362
Total Reports
84
Deaths
925
Hospitalizations
3
Vaccines
About MedImmune
MedImmune has 13,362 adverse event reports in VAERS, representing 0.5% of all manufacturer-attributed reports.
Of these reports, 84 mentioned death and 925 involved hospitalization.
MedImmune produces 3 vaccines tracked in VAERS. Their relatively low report count reflects a smaller market presence or specialized vaccine portfolio.
Vaccines by MedImmune
| Vaccine | Reports | Deaths | Hospitalizations |
|---|---|---|---|
| FLUN3 | 6,377 | 31 | 481 |
| FLUN4 | 3,373 | 15 | 136 |
| FLUN(H1N1) | 3,000 | 14 | 144 |
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.