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.
#1184 most reported symptom for this vaccine
Blood immunoglobulin M increased has been reported 8 times in association with Hib (Pedvaxhib) vaccination in VAERS. This represents 0.0% of all 60,298 reports for this vaccine.
Among these reports, 1 mentioned death (12.50%) and 2 involved hospitalization (25.0%).
Blood immunoglobulin M increased is the #1184 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.
Seeing 8 reports of Blood immunoglobulin M increased after Hib (Pedvaxhib) vaccination may seem alarming, but context is critical.
The 12.50% mortality rate among these reports is elevated, but this reflects the severity of the condition itself rather than vaccine causation.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.