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.
3,370 adverse event reports (+2% vs 2010)
In 2011, 3,370 adverse event reports were filed for Tdap (Boostrix) in VAERS. This represents 6.4% of all 52,846 reports for this vaccine.
Of these reports, 6 mentioned death, 151 involved hospitalization, 1,206 required ER visits, and 34 reported disability.
Compared to the average of 2,394 reports per year for this vaccine, 2011 was above average (+41%).
In 2011, reporting for Tdap (Boostrix) was within typical ranges. As always, VAERS data reflects reports filed, not confirmed adverse events. Trends should be interpreted alongside vaccination volume and population health data.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.