Received Apr 20, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | — | — |
No reconstitution; Only diluent received; 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 child patient who received Men ABCWY NVS (Penmenvy) for prophylaxis. On an unknown date, the patient received Penmenvy. On an unknown date, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: No reconstitution) and inappropriate dose of vaccine administered (Verbatim: Only diluent received). 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: 11-APR-2026 The reporter had a child (patient) that their staff attempted to administer the Penmenvy vaccine, but they did not reconstitute the vaccine per the directions on the box, so they (the child) only received the Men B part of the vaccine. The batch number was not provided upon follow- up with the reporter.