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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.

Full blood count

14,669 total reports26.9% serious outcomes

14,669

Total Reports

223

Deaths

3,718

Hospitalizations

26.9

Severity Rate

% serious outcomes

About Full blood count Reports

Full blood count has been reported 14,669 times in VAERS from 1990 to 2026.

Of these reports, 223 were associated with death (1.52%) and 3,718 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Full blood count is 26.9%.

Understanding Full blood count in VAERS

•Temporal association only: These reports show Full blood count 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 Full blood count. 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.