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.
Fibrin D dimer appears in 3,061 VAERS reports across all vaccines. Of these, 134 reports also mentioned death and 1,496 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 53.3%. The top vaccines associated with this symptom are COVID-19, COVID-19 (Bivalent), Unknown Vaccine. Remember: VAERS reports show temporal association, not causation.
Fibrin D dimer has been reported 3,061 times in VAERS from 1990 to 2026.
Of these reports, 134 were associated with death (4.38%) and 1,496 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Fibrin D dimer is 53.3%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.