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.
#854 most reported symptom for this vaccine
Cardiomegaly has been reported 32 times in association with Influenza, Seasonal (Fluvirin) vaccination in VAERS. This represents 0.0% of all 119,695 reports for this vaccine.
Among these reports, 10 mentioned death (31.25%) and 18 involved hospitalization (56.3%).
Cardiomegaly is the #854 most frequently reported symptom for Influenza, Seasonal (Fluvirin) out of 3021 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 32 reports of Cardiomegaly after Influenza, Seasonal (Fluvirin) vaccination may seem alarming, but context is critical. With 119,695 total reports for this vaccine (representing many millions of doses), Cardiomegaly appears in only 0.0% of reports.
The 31.25% 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.