Received Jan 12, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (PRIORIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | — | — |
Priorix maladministration after the expiration date; 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 MMR (Priorix) for prophylaxis. On an unknown date, the patient received Priorix. On an unknown date, an unknown time after receiving Priorix, the patient experienced expired vaccine used (Verbatim: Priorix maladministration after the expiration date). 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: 07-JAN-2026 Priorix was administered to a patient 4 days after the vaccine expired. The reporter wanted to know if the drug company have any data/information on this situation, any guidance about readministering or drawing titers. The batch number was not provided upon follow- up with the reporter.