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.
Pharyngeal swelling appears in 6,419 VAERS reports across all vaccines. Of these, 9 reports also mentioned death and 376 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 6.0%. The top vaccines associated with this symptom are COVID19, FLU4, VARZOS. Remember: VAERS reports show temporal association, not causation.
Pharyngeal swelling has been reported 6,419 times in VAERS from 1990 to 2026.
Of these reports, 9 were associated with death (0.14%) and 376 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Pharyngeal swelling is 6.0%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.