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
20 yrs
State
VA
Recovered
Unknown
Vaccinated
Jan 16, 2026
Onset
Jan 16, 2026
Days to onset
0
Hospital days
—
Vaccines (1)
Type
Name
Manufacturer
Dose
Lot
Route / Site
HEPA
HEP A (VAQTA)
MERCK & CO. INC.
1
Z012745
IM / LA
Symptoms (2)
No adverse eventUnderdose
Symptom narrative
Patient given pediatric dose of Hepatitis A vaccine instead of adult dose. No reactions or complications post-administration