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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.
Wheezing
9,764 total reports16.9% serious outcomes
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9,764
Total Reports
151
Deaths
1,502
Hospitalizations
16.9
Severity Rate
% serious outcomes
About Wheezing Reports
Wheezing has been reported 9,764 times in VAERS from 1990 to 2026.
Of these reports, 151 were associated with death (1.55%) and 1,502 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Wheezing is 16.9%.
Understanding Wheezing in VAERS
•Temporal association only: These reports show Wheezing 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 Wheezing. 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. COVID195,749
2. FLU31,285
3. MMR1,007
4. DTAP904
5. VARCEL880
6. IPV774
7. HEPA581
8. PNC415
9. FLU4378
10. PPV370
Detailed Breakdowns
Quick Facts
Reports:9,764
Deaths:151
Hospitalizations:1,502
Mortality Rate:1.55%
Severity Rate:16.9%
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.