⚠️
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.
Feeling abnormal
40,899 total reports7.1% serious outcomes
Share
40,899
Total Reports
293
Deaths
2,602
Hospitalizations
7.1
Severity Rate
% serious outcomes
About Feeling abnormal Reports
Feeling abnormal has been reported 40,899 times in VAERS from 1990 to 2026.
Of these reports, 293 were associated with death (0.72%) and 2,602 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Feeling abnormal is 7.1%.
Understanding Feeling abnormal in VAERS
•Temporal association only: These reports show Feeling abnormal 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 Feeling abnormal. 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. COVID1936,523
2. VARZOS3,151
3. FLU31,468
4. COVID19-21,042
5. FLU4870
6. PPV808
7. HPV4794
8. TDAP706
9. UNK692
10. FLUX673
Quick Facts
Reports:40,899
Deaths:293
Hospitalizations:2,602
Mortality Rate:0.72%
Severity Rate:7.1%
Related Analysis
Explore Further
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.