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
4 yrs
State
PA
Recovered
Unknown
Vaccinated
Dec 16, 2025
Onset
Dec 1, 2025
Days to onset
—
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
DTAPIPVHIB
DTAP + IPV + HIB (PENTACEL)
SANOFI PASTEUR
1
uk333aa
IM / LL
Symptoms (1)
Product preparation error
Symptom narrative
pentacel was mixed with sterile dilutant. no harm to patient.