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.
#514 most reported symptom for this vaccine
Blood urea increased has been reported 78 times in association with Influenza, Seasonal (Fluvirin) vaccination in VAERS. This represents 0.1% of all 119,695 reports for this vaccine.
Among these reports, 7 mentioned death (8.97%) and 57 involved hospitalization (73.1%).
Blood urea increased is the #514 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 78 reports of Blood urea increased 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), Blood urea increased appears in only 0.1% of reports.
The 8.97% 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.