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.
Oxygen saturation decreased appears in 3,972 VAERS reports across all vaccines. Of these, 655 reports also mentioned death and 2,211 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 72.2%. The top vaccines associated with this symptom are COVID-19, COVID-19 (Bivalent), Flu (Trivalent). Remember: VAERS reports show temporal association, not causation.
Oxygen saturation decreased has been reported 3,972 times in VAERS from 1990 to 2026.
Of these reports, 655 were associated with death (16.49%) and 2,211 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Oxygen saturation decreased is 72.2%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.