Received Nov 24, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPAB | HEP A + HEP B (TWINRIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | F95HB | — |
administered vaccine without unsuspend it or shaking it to mix it; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of wrong technique in product usage process in a 63-year-old female patient who received HAB (Twinrix) (batch number F95HB) for prophylaxis. On 06-NOV-2025, the patient received Twinrix. On 06-NOV-2025, an unknown time after receiving Twinrix, the patient experienced wrong technique in product usage process (Verbatim: administered vaccine without unsuspend it or shaking it to mix it). The outcome of the wrong technique in product usage process 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: 20-NOV-2025 A pharmacist reported that a Twinrix vaccine dose was administered to the patient without unsuspending or shaking the vial to reconstitute or mix the suspension as per product instructions.