Report #2867733

Received Oct 23, 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: 12 yrs
State: NH
Recovered: Unknown
Vaccinated: Sep 18, 2025
Onset: Sep 18, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (ENGERIX-B)	GLAXOSMITHKLINE BIOLOGICALS	UNK	9452S	—

Symptoms (1)

Expired product administered

Symptom narrative

Administration of expired dose; This non-serious case was reported by a nurse via call center representative and described the occurrence of expired vaccine used in a 12-year-old male patient who received HBV (Engerix B pediatric) (batch number 9452S, expiry date 14-SEP-2025) for prophylaxis. On 18-SEP-2025, the patient received Engerix B pediatric. On 18-SEP-2025, an unknown time after receiving Engerix B pediatric, the patient experienced expired vaccine used (Verbatim: Administration of expired dose). The outcome of the expired vaccine used 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: 22-SEP-2025 The nurse reported that a 12-year-old boy had received a dose of Engerix-B on 18th September 2025, which had expired on 14 September 2025.