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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.
Influenza, Seasonal (Flucelvax Quadrivalent)
FLUC48,852 total reports
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Manufacturers:
8,852
Total Reports
30
Deaths
204
Hospitalizations
1,299
ER Visits
147
Disabilities
About Influenza, Seasonal (Flucelvax Quadrivalent)
Influenza, Seasonal (Flucelvax Quadrivalent) has 8,852 reports in VAERS spanning from 1990 to 2026.
Of these reports, 30 mentioned death, 204 involved hospitalization, and 1,299 required emergency department visits.
This vaccine is manufactured by: Seqirus.
This vaccine accounts for 0.4% of all 1,983,260 reports in the VAERS database.
Reporting Rate
This vaccine averages 738 reports per year over 12 years of reporting (2015–2026).
Understanding These Numbers
•Reports don't prove causation. They represent temporal associations where someone experienced an event after vaccination.
•Background rates matter. Many conditions occur naturally and may coincidentally happen after vaccination.
•Reporting varies by vaccine. Newer vaccines or those in the news may have higher reporting rates due to increased awareness.
Most Reported Symptoms
Top Reporting States
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Related Analysis
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.