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.
Unresponsive to stimuli appears in 10,939 VAERS reports across all vaccines. Of these, 1,676 reports also mentioned death and 1,938 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 33.0%. The top vaccines associated with this symptom are COVID-19, Meningococcal (MenACWY), HPV (Gardasil). Remember: VAERS reports show temporal association, not causation.
Unresponsive to stimuli has been reported 10,939 times in VAERS from 1990 to 2026.
Of these reports, 1,676 were associated with death (15.32%) and 1,938 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Unresponsive to stimuli is 33.0%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.