A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer
Overview
Sex
Male
Age
0.5 yrs
State
IL
Recovered
Unknown
Vaccinated
Feb 3, 2026
Onset
Feb 3, 2026
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
HIBV
HIB (PEDVAXHIB)
MERCK & CO. INC.
UNK
—
—
Symptoms (1)
Inappropriate schedule of product administration
Symptom narrative
Pt received Hib 11/7/25, 12/2/25, and 2/3/26. 2/23/26 dose considered invalid, will need to be repeated at 12-15 months.