Received Oct 23, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEP | HEP B (ENGERIX-B) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 7nx5y | — |
Wrong drug; the patient received 2 Engerix B doses; This non-serious case was reported by a other health professional via call center representative and described the occurrence of wrong vaccine administered in a 54-year-old female patient who received HBV (Engerix B pediatric) (batch number 7nx5y, expiry date 12-DEC-2026) for prophylaxis. Co-suspect products included HAB (Twinrix) for prophylaxis. On 06-OCT-2025, the patient received Engerix B pediatric. On an unknown date, the patient did not received Twinrix. On 06-OCT-2025, an unknown time after receiving Engerix B pediatric, the patient experienced wrong vaccine administered (Verbatim: Wrong drug) and accidental overdose (Verbatim: the patient received 2 Engerix B doses). The outcome of the wrong vaccine administered 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: 07-OCT-2025 The practice manager who states that a patient was given the wrong medication yesterday. Patient was supposed to get an Engerix B, Hepatitis A and Hepatitis B vaccine, instead, the patient received 2 Engerix B doses, one was an adult dose and the other was a pediatric dose.