⚠️

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.

Vaccine breakthrough infection

8,914 total reports82.6% serious outcomes

8,914

Total Reports

850

Deaths

6,511

Hospitalizations

82.6

Severity Rate

% serious outcomes

About Vaccine breakthrough infection Reports

Vaccine breakthrough infection has been reported 8,914 times in VAERS from 1990 to 2026.

Of these reports, 850 were associated with death (9.54%) and 6,511 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Vaccine breakthrough infection is 82.6%.

Understanding Vaccine breakthrough infection in VAERS

•Temporal association only: These reports show Vaccine breakthrough infection 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 Vaccine breakthrough infection. 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.