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.
1,764 adverse event reports (+21% vs 2010)
In 2011, 1,764 adverse event reports were filed for Meningococcal Conjugate (Menactra) in VAERS. This represents 4.9% of all 36,149 reports for this vaccine.
Of these reports, 10 mentioned death, 67 involved hospitalization, 500 required ER visits, and 11 reported disability.
Compared to the average of 1,605 reports per year for this vaccine, 2011 was above average (+10%).
In 2011, reporting for Meningococcal Conjugate (Menactra) 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.