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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.
Asthenia
68,739 total reports21.3% serious outcomes
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68,739
Total Reports
1,749
Deaths
12,870
Hospitalizations
21.3
Severity Rate
% serious outcomes
About Asthenia Reports
Asthenia has been reported 68,739 times in VAERS from 1990 to 2026.
Of these reports, 1,749 were associated with death (2.54%) and 12,870 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Asthenia is 21.3%.
Understanding Asthenia in VAERS
•Temporal association only: These reports show Asthenia 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 Asthenia. 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. COVID1949,413
2. FLU35,967
3. VARZOS4,699
4. HEP3,560
5. PPV2,339
6. FLUX2,299
7. TDAP2,102
8. HPV41,792
9. FLU41,759
10. MNQ1,588
Detailed Breakdowns
Quick Facts
Reports:68,739
Deaths:1,749
Hospitalizations:12,870
Mortality Rate:2.54%
Severity Rate:21.3%
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.