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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.

Thrombocytopenia

2,704 total reports81.8% serious outcomes

2,704

Total Reports

315

Deaths

1,898

Hospitalizations

81.8

Severity Rate

% serious outcomes

About Thrombocytopenia Reports

Thrombocytopenia has been reported 2,704 times in VAERS from 1990 to 2026.

Of these reports, 315 were associated with death (11.65%) and 1,898 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Thrombocytopenia is 81.8%.

Understanding Thrombocytopenia in VAERS

•Temporal association only: These reports show Thrombocytopenia 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 Thrombocytopenia. 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.