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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.
Fatigue
181,355 total reports6.5% serious outcomes
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181,355
Total Reports
1,336
Deaths
10,540
Hospitalizations
6.5
Severity Rate
% serious outcomes
About Fatigue Reports
Fatigue has been reported 181,355 times in VAERS from 1990 to 2026.
Of these reports, 1,336 were associated with death (0.74%) and 10,540 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Fatigue is 6.5%.
Understanding Fatigue in VAERS
•Temporal association only: These reports show Fatigue 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 Fatigue. 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. COVID19156,674
2. VARZOS13,470
3. FLU35,055
4. COVID19-23,979
5. HPV43,179
6. TDAP2,973
7. FLU42,918
8. UNK2,848
9. PPV2,752
10. FLUX2,522
Detailed Breakdowns
Quick Facts
Reports:181,355
Deaths:1,336
Hospitalizations:10,540
Mortality Rate:0.74%
Severity Rate:6.5%
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.