Report #2879563

Received Dec 24, 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: Female
Age: 12 yrs
State: UT
Recovered: Unknown
Vaccinated: Dec 19, 2025
Onset: Dec 19, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
TDAP	TDAP (BOOSTRIX)	GLAXOSMITHKLINE BIOLOGICALS	5	M7YY5	—

Symptoms (1)

Expired product administered

Symptom narrative

an expired dose of Boostrix was administered; This non-serious case was reported by the other health professional via call center representative and described the occurrence of expired vaccine used in a 12-year-old female patient who received DTPa (Reduced antigen) (Boostrix) (batch number M7YY5, expiry date 08-DEC-2025) for prophylaxis. On 19-DEC-2025, the patient received the 5th dose of Boostrix. On 19-DEC-2025, an unknown time after receiving Boostrix, the patient experienced expired vaccine used (Verbatim: an expired dose of Boostrix was administered). 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: 23-DEC-2025