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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.
Hypotonia
5,927 total reports29.2% serious outcomes
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5,927
Total Reports
111
Deaths
1,618
Hospitalizations
29.2
Severity Rate
% serious outcomes
About Hypotonia Reports
Hypotonia has been reported 5,927 times in VAERS from 1990 to 2026.
Of these reports, 111 were associated with death (1.87%) and 1,618 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Hypotonia is 29.2%.
Understanding Hypotonia in VAERS
•Temporal association only: These reports show Hypotonia 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 Hypotonia. 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.
Most Associated Vaccines
1. HIBV2,554
2. OPV1,783
3. DTAP1,655
4. DTP1,572
5. IPV1,355
6. HEP1,290
7. PNC1,205
8. MMR854
9. COVID19529
10. DTPHIB492
Detailed Breakdowns
Quick Facts
Reports:5,927
Deaths:111
Hospitalizations:1,618
Mortality Rate:1.87%
Severity Rate:29.2%
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.