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
Female
Age
9 yrs
State
MA
Recovered
Unknown
Vaccinated
Oct 17, 2025
Onset
Oct 17, 2025
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
COVID19
COVID19 (COVID19 (PFIZER-BIONTECH))
PFIZER\BIONTECH
1
MY9548
IM / LA
Symptoms (1)
Incorrect dose administered
Symptom narrative
The patient was erroneously immunized with Comirnaty (12+) 0.3ml vaccine