Report #2881327

Received Jan 9, 2026

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: 31 yrs
State: MS
Recovered: Unknown
Vaccinated: Jan 9, 2026
Onset: Jan 9, 2026
Days to onset: 0
Hospital days: —

Vaccines (2)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (RECOMBIVAX HB)	MERCK & CO. INC.	3	Y014323	IM / LA
HEPA	HEP A (VAQTA)	MERCK & CO. INC.	3	Z003748	IM / LA

Symptoms (2)

No adverse eventUnderdose

Symptom narrative

Prefilled pediatric/Adolescent dose (0.5 mL) administered instead of the adult dose of 1.0 mL. Pt has not reported any symptoms.

Current illness

N/A

Medical history

N/A

Other medications

N/A

Allergies

N/A

Lab data

n/a