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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.
Decreased appetite
24,388 total reports15.2% serious outcomes
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24,388
Total Reports
606
Deaths
3,109
Hospitalizations
15.2
Severity Rate
% serious outcomes
About Decreased appetite Reports
Decreased appetite has been reported 24,388 times in VAERS from 1990 to 2026.
Of these reports, 606 were associated with death (2.48%) and 3,109 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Decreased appetite is 15.2%.
Understanding Decreased appetite in VAERS
•Temporal association only: These reports show Decreased appetite 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 Decreased appetite. 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. COVID1918,048
2. VARZOS1,611
3. PNC131,064
4. MMR1,024
5. HIBV890
6. FLU3888
7. DTAP869
8. VARCEL825
9. PNC742
10. HEPA727
Quick Facts
Reports:24,388
Deaths:606
Hospitalizations:3,109
Mortality Rate:2.48%
Severity Rate:15.2%
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.