Received May 15, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 499J9 | RA |
Administered only Bexsero portion and did not give patient Menveo; Administered only Bexsero portion and did not give patient Menveo; This non-serious case was reported by a non-health professional via sales rep and described the occurrence of inappropriate preparation of medication in a 16-year-old female patient who received Men ABCWY NVS (Penmenvy) (batch number 499J9, expiry date 08-OCT-2026) for prophylaxis. On 04-MAY-2026, the patient received the 1st dose of Penmenvy (right deltoid). On 04-MAY-2026, an unknown time after receiving Penmenvy and an unknown time after starting Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: Administered only Bexsero portion and did not give patient Menveo) and inappropriate dose of vaccine administered (Verbatim: Administered only Bexsero portion and did not give patient Menveo). The outcome of the inappropriate preparation of medication and inappropriate dose of vaccine administered 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.