Received Dec 22, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPAB | HEP A + HEP B (TWINRIX) | GLAXOSMITHKLINE BIOLOGICALS | 2 | UNK | — |
I had my first Twinrix vaccine on 6/14/25. I wasn't able to get my second Twinrix vaccine until 7/25/25; This non-serious case was reported by a consumer via call center representative and described the occurrence of incomplete course of vaccination in a patient who received HAB (Twinrix) for prophylaxis. Previously administered products included Twinrix (Patient received first dose on 16-Jun-2025.). The patient did not receive the 2nd dose of Twinrix. The patient experienced incomplete course of vaccination (Verbatim: I had my first Twinrix vaccine on 6/14/25. I wasn't able to get my second Twinrix vaccine until 7/25/25). 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: 15-DEC-2025 The patient reported that the first Twinrix vaccine had been received on 14-JUN-2025. The patient had not been able to get their second Twinrix vaccine until 25-JUL-2025. The patient asked whether he/she should have gotten final Twinrix vaccine on 15-DEC-2025 or whether needed to wait until after 25-DEC-2025 to receive the final Twinrix. The batch number was not provided and a request for this information has been made.