Received May 6, 2026
Reports are unverified and do not show that a vaccine caused an event. Full disclaimer
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 499J9-B | — |
Penmenvy liquid portion only administration; Penmenvy liquid portion only administration; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate preparation of medication in a 16-year-old male patient who received Men ABCWY NVS (Penmenvy) (batch number 499J9-B, expiry date 03-APR-2028) for prophylaxis. On 22-APR-2026, the patient received Penmenvy. On 22-APR-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: Penmenvy liquid portion only administration) and inappropriate dose of vaccine administered (Verbatim: Penmenvy liquid portion only administration). 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. Additional Information: GSK Receipt Date: 27-APR-2026 The reporter wanted to know how to proceed with a patient who had received only the liquid portion of Penmenvy.