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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.

Deep vein thrombosis

4,323 total reports59.2% serious outcomes

4,323

Total Reports

220

Deaths

2,340

Hospitalizations

59.2

Severity Rate

% serious outcomes

About Deep vein thrombosis Reports

Deep vein thrombosis has been reported 4,323 times in VAERS from 1990 to 2026.

Of these reports, 220 were associated with death (5.09%) and 2,340 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Deep vein thrombosis is 59.2%.

Understanding Deep vein thrombosis in VAERS

•Temporal association only: These reports show Deep vein thrombosis 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 Deep vein thrombosis. 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.