Received Jul 4, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| TDAP | TDAP (BOOSTRIX) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 73J5L | — |
accidentally administered an expired dose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of expired vaccine used in a 11-year-old male patient who received DTPa (Reduced antigen) (Boostrix) suspension for injection in pre-filled syringe (batch number 73J5L with expiry date 03-MAY-2026) for prophylaxis. On 29-JUN-2026, the patient received the 1st dose of Boostrix. On 29-JUN-2026, an unknown time after receiving Boostrix, the patient experienced expired vaccine used (Verbatim: accidentally administered an 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:01-JUL-2026 The reporter called to report that they found out that they had accidentally administered an expired dose to patient. This was 1 of 6 inked cases, reported by the same reporter.; Sender's Comments: US-GSK-US2026086850:Same reporter/Different patient US-GSK-US2026086849:Same reporter/Different patient US-GSK-US2026086584:Same reporter/Different patient US-GSK-US2026086610:Same reporter/Different patient US-GSK-US2026086799:Same reporter/Different patient