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.
Diarrhoea appears in 53,925 VAERS reports across all vaccines. Of these, 911 reports also mentioned death and 6,486 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 13.7%. The top vaccines associated with this symptom are COVID-19, Hib, Flu (Trivalent). Remember: VAERS reports show temporal association, not causation.
Diarrhoea has been reported 53,925 times in VAERS from 1990 to 2026.
Of these reports, 911 were associated with death (1.69%) and 6,486 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Diarrhoea is 13.7%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.