Report #2884139

Received Feb 4, 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: 1 yrs
State: MI
Recovered: Unknown
Vaccinated: Jan 22, 2026
Onset: Jan 22, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPA	HEP A (HAVRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	Z27PB	—

Symptoms (1)

Incorrect dose administered

Symptom narrative

22-month-old was given an adult Hep A vaccine; 22-month-old was given an adult Hep A vaccine; This non-serious case was reported by the other health professional via call center representative and described the occurrence of adult product administered to child in a 22-month-old male patient who received HAV (Havrix 1440 adult) (batch number Z27PB, expiry date 27-AUG-2026) for prophylaxis. On 22-JAN-2026, the patient received Havrix 1440 adult. On 22-JAN-2026, an unknown time after receiving Havrix 1440 adult, the patient experienced adult product administered to child (Verbatim: 22-month-old was given an adult Hep A vaccine) and overdose (Verbatim: 22-month-old was given an adult Hep A vaccine). The outcome of the adult product administered to child and overdose were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences.