Report #2876133

Received Dec 3, 2025

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: Age unknown
State: TX
Recovered: Unknown
Vaccinated: May 13, 2025
Onset: May 13, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEPAB	HEP A + HEP B (TWINRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	324By	LA

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

Twinrix administered to 2 years old; This non-serious case was reported by a other health professional via sales rep and described the occurrence of inappropriate age at vaccine administration in a 2-year-old male patient who received HAB (Twinrix) (batch number 324By, expiry date 28-SEP-2026) for prophylaxis. On 13-MAY-2025, the patient received Twinrix (left deltoid). On 13-MAY-2025, an unknown time after receiving Twinrix, the patient experienced inappropriate age at vaccine administration (Verbatim: Twinrix administered to 2 years old). The outcome of the inappropriate age at vaccine administration was not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK Receipt Date: 24-OCT-2025 The administered dose was the subsequent dose. The batch number was not provided, and we are unable to contact the reporter.