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.
Inappropriate schedule of product administration appears in 22,714 VAERS reports across all vaccines. Of these, 281 reports also mentioned death and 1,341 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 7.1%. The top vaccines associated with this symptom are COVID19, VARZOS, HPV9. Remember: VAERS reports show temporal association, not causation.
Inappropriate schedule of product administration has been reported 22,714 times in VAERS from 1990 to 2026.
Of these reports, 281 were associated with death (1.24%) and 1,341 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Inappropriate schedule of product administration is 7.1%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.