Received Oct 6, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPAB | HEP A + HEP B (TWINRIX) | GLAXOSMITHKLINE BIOLOGICALS | 2 | UNK | — |
Twinrix missed second dose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of incomplete course of vaccination in a 45-year-old female patient who did not receive HAB (Twinrix) for prophylaxis. Previously administered products included Twinrix (First dose was received on 05-JUN-2025). The patient did not receive the 2nd dose of Twinrix. The patient experienced incomplete course of vaccination (Verbatim: Twinrix missed second dose). The outcome of the incomplete course of vaccination 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: 18-SEP-2025 The healthcare professional (HCP) reported that a patient had received the first dose of Twinrix approximately three months prior. The HCP inquired about the maximum allowable interval between the first and second doses, and at what point the vaccination series should be reinitiated.