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.
Cyanosis appears in 5,059 VAERS reports across all vaccines. Of these, 380 reports also mentioned death and 1,421 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 35.6%. The top vaccines associated with this symptom are Hib, Polio (OPV), COVID-19. Remember: VAERS reports show temporal association, not causation.
Cyanosis has been reported 5,059 times in VAERS from 1990 to 2026.
Of these reports, 380 were associated with death (7.51%) and 1,421 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Cyanosis is 35.6%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.