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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.
Thirst
2,529 total reports10.4% serious outcomes
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2,529
Total Reports
19
Deaths
244
Hospitalizations
10.4
Severity Rate
% serious outcomes
About Thirst Reports
Thirst has been reported 2,529 times in VAERS from 1990 to 2026.
Of these reports, 19 were associated with death (0.75%) and 244 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Thirst is 10.4%.
Understanding Thirst in VAERS
•Temporal association only: These reports show Thirst 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 Thirst. 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.
Quick Facts
Reports:2,529
Deaths:19
Hospitalizations:244
Mortality Rate:0.75%
Severity Rate:10.4%
Related Analysis
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Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.