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.
Influenza like illness appears in 24,094 VAERS reports across all vaccines. Of these, 141 reports also mentioned death and 1,211 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 5.6%. The top vaccines associated with this symptom are COVID19, VARZOS, FLU3. Remember: VAERS reports show temporal association, not causation.
Influenza like illness has been reported 24,094 times in VAERS from 1990 to 2026.
Of these reports, 141 were associated with death (0.59%) and 1,211 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Influenza like illness is 5.6%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.