Received Apr 29, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 3S9XZ | — |
administered only the MenB component of Penmenvy without mixing it with the ACWY component; administered only the MenB component of Penmenvy without mixing it with the ACWY component; This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate dose of vaccine administered in a 18-year-old female patient who received Men ABCWY NVS (Penmenvy) (batch number 3S9XZ, expiry date 23-MAR-2027) for prophylaxis. On 20-APR-2026, the patient received the 1st dose of Penmenvy. On 20-APR-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate dose of vaccine administered (Verbatim: administered only the MenB component of Penmenvy without mixing it with the ACWY component) and inappropriate preparation of medication (Verbatim: administered only the MenB component of Penmenvy without mixing it with the ACWY component). The outcome of the inappropriate dose of vaccine administered and inappropriate preparation of medication 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: 20-APR-2026 The nurse at the facility administered only the MenB component of Penmenvy without mixing it with the ACWY component. This was the patient's first dose of Penmenvy. No further details were provided. The reporter consented to follow up.