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.
Mass. Public Health Bio Lab has 2,056 adverse event reports in VAERS, representing 0.1% of all manufacturer-attributed reports.
Of these reports, 28 mentioned death and 115 involved hospitalization.
Mass. Public Health Bio Lab produces 5 vaccines tracked in VAERS. Their relatively low report count reflects a smaller market presence or specialized vaccine portfolio.
| Vaccine | Reports | Deaths | Hospitalizations |
|---|---|---|---|
| Td | 1,316 | 4 | 51 |
| DTP | 501 | 17 | 46 |
| TTOX | 71 | 0 | 1 |
| DT | 69 | 0 | 3 |
| Unknown Vaccine | 1 | 0 | 0 |
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.