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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.

Hib (Pedvaxhib)×Convulsion

Convulsion Reports for Hib (Pedvaxhib)

#8 most reported symptom for this vaccine

3,961
Reports
68
Deaths
1,904
Hospitalizations
1.72
Mortality Rate
%
48.1
Hosp. Rate
%

Convulsion and Hib (Pedvaxhib)

Convulsion has been reported 3,961 times in association with Hib (Pedvaxhib) vaccination in VAERS. This represents 6.6% of all 60,298 reports for this vaccine.

Among these reports, 68 mentioned death (1.72%) and 1,904 involved hospitalization (48.1%).

Convulsion is the #8 most frequently reported symptom for Hib (Pedvaxhib) out of 2013 total symptoms.

Disclaimer: VAERS reports describe events that occurred after vaccination but do not establish that the vaccine caused the event. Many reported symptoms may be coincidental or related to underlying conditions.

What This Means

Seeing 3,961 reports of Convulsion after Hib (Pedvaxhib) vaccination may seem alarming, but context is critical.

The mortality rate of 1.72% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.

Important Context

Association, not causation: These reports show Convulsion occurred after vaccination, not that the vaccine caused it.
Background rates: Convulsion may occur naturally at baseline rates in the population, unrelated to vaccination.
Anyone can report: VAERS accepts reports from anyone — patients, parents, healthcare providers — without requiring medical verification.
Denominator missing: VAERS counts reports, not rates per dose. Without knowing how many doses were given, raw counts can be misleading. Learn more →

Quick Facts

Reports:3,961
Deaths:68
Hospitalizations:1,904
% of Vaccine:6.6%
Rank:#8 of 2013

Data Source

This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.