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.
#795 most reported symptom for this vaccine
Cardioversion has been reported 20 times in association with Influenza, Seasonal (Flulaval Quadrivalent) vaccination in VAERS. This represents 0.0% of all 52,111 reports for this vaccine.
Among these reports, 4 mentioned death (20.00%) and 13 involved hospitalization (65.0%).
Cardioversion is the #795 most frequently reported symptom for Influenza, Seasonal (Flulaval Quadrivalent) out of 2354 total symptoms.
Disclaimer: VAERS reports describe events that occurred after vaccination but do not establish that the vaccine caused the event. Many reported symptoms may be coincidental or related to underlying conditions.
Seeing 20 reports of Cardioversion after Influenza, Seasonal (Flulaval Quadrivalent) vaccination may seem alarming, but context is critical.
The 20.00% mortality rate among these reports is elevated, but this reflects the severity of the condition itself rather than vaccine causation.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.