Received Mar 10, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| TDAP | TDAP (BOOSTRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | — | — |
an expired dose (01/19/2026) of Boostrix was administered to a new on-boarding employee on 02March2026 by a nurse in the clinical setting; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of expired vaccine used in a patient who received DTPa (Reduced antigen) (Boostrix) (expiry date 19-JAN-2026) for prophylaxis. On 02-MAR-2026, the patient received Boostrix. On 02-MAR-2026, an unknown time after receiving Boostrix, the patient experienced expired vaccine used (Verbatim: an expired dose (01/19/2026) of Boostrix was administered to a new on-boarding employee on 02March2026 by a nurse in the clinical setting). 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: 02-MAR-2026 The batch number was not provided upon follow up with the reporter.