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.
Joint stiffness appears in 3,231 VAERS reports across all vaccines. Of these, 5 reports also mentioned death and 130 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 4.2%. The top vaccines associated with this symptom are COVID-19, MMR, Lyme Disease. Remember: VAERS reports show temporal association, not causation.
Joint stiffness has been reported 3,231 times in VAERS from 1990 to 2026.
Of these reports, 5 were associated with death (0.15%) and 130 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Joint stiffness is 4.2%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.