Received Apr 27, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (ENGERIX-B) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 9K74F | — |
Inadvertent administration of an expired dose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of expired vaccine used in a 17-year-old female patient who received HBV (Engerix B 10 mcg) (batch number 9K74F, expiry date 27-OCT-2025) for prophylaxis. Previously administered products included Recombivax (a long time ago). On 28-JAN-2026, the patient received the 1st dose of Engerix B 10 mcg. On 28-JAN-2026, an unknown time after receiving Engerix B 10 mcg, the patient experienced expired vaccine used (Verbatim: Inadvertent administration of an expired dose). Additional Information: GSK Receipt Date: 20-APR-2026 The reporter (practice administrator) reported the administration of an expired dose of Engerix-B. The expiration date of the vaccine was 27-OCT-2025 and the vaccine was administered on 28-JAN-2026. The reporter mentioned that this was the first dose of Engerix-B. The patient appeared to have received a previous dose of Recombivax a long time ago. This case is linked with case US2026054152.; Sender's Comments: US-GSK-US2026054152:Same reporter/Different patient