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.
Vaccine breakthrough infection appears in 8,914 VAERS reports across all vaccines. Of these, 850 reports also mentioned death and 6,511 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 82.6%. The top vaccines associated with this symptom are COVID-19, COVID-19 (Bivalent), MMR. Remember: VAERS reports show temporal association, not causation.
Vaccine breakthrough infection has been reported 8,914 times in VAERS from 1990 to 2026.
Of these reports, 850 were associated with death (9.54%) and 6,511 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Vaccine breakthrough infection is 82.6%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.