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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.
Head injury
5,270 total reports14.1% serious outcomes
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5,270
Total Reports
73
Deaths
672
Hospitalizations
14.1
Severity Rate
% serious outcomes
About Head injury Reports
Head injury has been reported 5,270 times in VAERS from 1990 to 2026.
Of these reports, 73 were associated with death (1.39%) and 672 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Head injury is 14.1%.
Understanding Head injury in VAERS
•Temporal association only: These reports show Head injury occurred after vaccination, not necessarily because of vaccination.
•Background rates matter: Many symptoms occur naturally at baseline rates in the population, unrelated to vaccination.
•Reporting variability: Medical terminology may be used differently by various healthcare providers and over time.
•Investigation needed: High-frequency reports may trigger further epidemiological studies to determine causation.
What This Data Shows
Most Associated Vaccines: The vaccines most frequently mentioned in reports with Head injury. This may reflect usage patterns, not causation.
Severity Patterns: The percentage of reports that involve serious outcomes can help prioritize safety investigations.
Reporting Trends: Changes in reporting frequency over time may reflect increased awareness, media attention, or actual safety signals.
Most Associated Vaccines
1. COVID193,114
2. HPV4994
3. MNQ722
4. TDAP530
5. HPV9504
6. FLU3335
7. FLU4304
8. HEPA303
9. VARCEL174
10. VARZOS155
Detailed Breakdowns
Quick Facts
Reports:5,270
Deaths:73
Hospitalizations:672
Mortality Rate:1.39%
Severity Rate:14.1%
Related Analysis
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Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.