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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.
Pericarditis
3,689 total reports50.9% serious outcomes
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3,689
Total Reports
45
Deaths
1,832
Hospitalizations
50.9
Severity Rate
% serious outcomes
About Pericarditis Reports
Pericarditis has been reported 3,689 times in VAERS from 1990 to 2026.
Of these reports, 45 were associated with death (1.22%) and 1,832 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Pericarditis is 50.9%.
Understanding Pericarditis in VAERS
•Temporal association only: These reports show Pericarditis 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 Pericarditis. 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
View all vaccines →Detailed Breakdowns
Quick Facts
Reports:3,689
Deaths:45
Hospitalizations:1,832
Mortality Rate:1.22%
Severity Rate:50.9%
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.