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.
Deafness unilateral appears in 2,257 VAERS reports across all vaccines. Of these, 4 reports also mentioned death and 124 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 5.7%. The top vaccines associated with this symptom are COVID-19, Shingles (Zostavax), Flu (Trivalent). Remember: VAERS reports show temporal association, not causation.
Deafness unilateral has been reported 2,257 times in VAERS from 1990 to 2026.
Of these reports, 4 were associated with death (0.18%) and 124 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Deafness unilateral is 5.7%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.