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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.

Condition aggravated

30,718 total reports28.9% serious outcomes

30,718

Total Reports

1,379

Deaths

7,493

Hospitalizations

28.9

Severity Rate

% serious outcomes

About Condition aggravated Reports

Condition aggravated has been reported 30,718 times in VAERS from 1990 to 2026.

Of these reports, 1,379 were associated with death (4.49%) and 7,493 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Condition aggravated is 28.9%.

Understanding Condition aggravated in VAERS

•Temporal association only: These reports show Condition aggravated 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 Condition aggravated. 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.