Report #2900447

Received Jun 17, 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: Unknown
Age: Age unknown
State: NY
Recovered: Unknown
Vaccinated: Jun 12, 2026
Onset: Jun 12, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
TDAP	TDAP (BOOSTRIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	433NE	—

Symptoms (1)

Expired product administered

Symptom narrative

Boostrix expired dose administration; This non-serious case was reported by a physician via call center representative and described the occurrence of expired vaccine used in a patient who received DTPa (Reduced antigen) (Boostrix) suspension for injection in pre-filled syringe (batch number 433NE with expiry date 05-MAY-2026) for prophylaxis. On 12-JUN-2026, the patient received Boostrix. On 12-JUN-2026, an unknown time after receiving Boostrix, the patient experienced expired vaccine used (Verbatim: Boostrix expired dose administration). 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: 15-JUN-2026 Physician wanted to know how to proceed with a patient that received an expired dose of Boostrix.