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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.

Varicella post vaccine

2,166 total reports6.7% serious outcomes
2,166
Total Reports
14
Deaths
131
Hospitalizations
6.7
Severity Rate
% serious outcomes

About Varicella post vaccine Reports

Varicella post vaccine has been reported 2,166 times in VAERS from 1990 to 2026.

Of these reports, 14 were associated with death (0.65%) and 131 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Varicella post vaccine is 6.7%.

Understanding Varicella post vaccine in VAERS

Temporal association only: These reports show Varicella post vaccine 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 Varicella post vaccine. 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.