Received Jan 19, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | — | — |
child was given only the liquid diluent portion of the Penmenvy vaccine without reconstituting it with the lyophilized powder; child was given only the liquid diluent portion of the Penmenvy vaccine without reconstituting it with the lyophilized powder; This non-serious case was reported by a physician 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: child was given only the liquid diluent portion of the Penmenvy vaccine without reconstituting it with the lyophilized powder) and inappropriate dose of vaccine administered (Verbatim: child was given only the liquid diluent portion of the Penmenvy vaccine without reconstituting it with the lyophilized powder). 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: 13-JAN-2026 The reporter stated that a child was given only the liquid diluent portion of the Penmenvy vaccine without reconstituting it with the lyophilized powder. Provider would like to know if giving the diluent alone was equivalent to a dose of Bexsero. The batch number was not provided upon follow up with the reporter.; Sender's Comments: US-GSK-US2026004141:Same reporter