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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.

Pharyngeal oedema

2,384 total reports9.4% serious outcomes

2,384

Total Reports

Deaths

213

Hospitalizations

9.4

Severity Rate

% serious outcomes

About Pharyngeal oedema Reports

Pharyngeal oedema has been reported 2,384 times in VAERS from 1990 to 2026.

Of these reports, 11 were associated with death (0.46%) and 213 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Pharyngeal oedema is 9.4%.

Understanding Pharyngeal oedema in VAERS

•Temporal association only: These reports show Pharyngeal oedema 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 Pharyngeal oedema. 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.