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.
#108 most reported symptom for this vaccine
Lethargy has been reported 747 times in association with Influenza, Seasonal (Fluvirin) vaccination in VAERS. This represents 0.6% of all 119,695 reports for this vaccine.
Among these reports, 35 mentioned death (4.69%) and 126 involved hospitalization (16.9%).
Lethargy is the #108 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 747 reports of Lethargy 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), Lethargy appears in only 0.6% of reports.
The mortality rate of 4.69% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.