Received Aug 1, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (ENGERIX-B) | GLAXOSMITHKLINE BIOLOGICALS | 1 | T5D73 | — |
They administered an adult dose of Engerix-B (1 mL dose) to a patient who is 18 years old.; They administered an adult dose of Engerix-B (1 mL dose) to a patient who is 18 years old.; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of adult product administered to child in a 18-year-old female patient who received HBV (Engerix B adult) (batch number T5D73, expiry date 10-APR-2027) for prophylaxis. On an unknown date, the patient received the 1st dose of Engerix B adult 1 ml. On an unknown date, an unknown time after receiving Engerix B adult, the patient experienced adult product administered to child (Verbatim: They administered an adult dose of Engerix-B (1 mL dose) to a patient who is 18 years old.) and accidental overdose (Verbatim: They administered an adult dose of Engerix-B (1 mL dose) to a patient who is 18 years old.). The outcome of the adult product administered to child and accidental overdose were 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: 24-JUL-2025 The reporter called to report a vaccination error. They administered an adult dose of Engerix-B (1 mL dose) to a patient who was 18 years old, which led to adult product administered to child and accidental overdose.