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.
Injection site oedema appears in 23,249 VAERS reports across all vaccines. Of these, 24 reports also mentioned death and 605 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 2.7%. The top vaccines associated with this symptom are DTAP, MMR, PPV. Remember: VAERS reports show temporal association, not causation.
Injection site oedema has been reported 23,249 times in VAERS from 1990 to 2026.
Of these reports, 24 were associated with death (0.10%) and 605 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Injection site oedema is 2.7%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.