Received Jan 23, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MNP | MENINGOCOCCAL CONJUGATE (PENMENVY) | GLAXOSMITHKLINE BIOLOGICALS | UNK | 499j9/A | — |
Only liquid (Men B) portion administered/adolescent has received by error a partial dose of Penmenvy. Patient has received the diluent portion of Penmenvy only.; Only liquid (Men B) portion administered/adolescent has received by error a partial dose of Penmenvy. Patient has received the diluent portion of Penmenvy only.; This non-serious case was reported by a other health professional via sales rep and described the occurrence of inappropriate dose of vaccine administered in a 16-year-old male patient who received Men ABCWY NVS (Penmenvy) (batch number 499j9, expiry date 08-OCT-2026), (batch number 499j9/A, expiry date 08-OCT-2026) and (batch number 499j9/B, expiry date 08-OCT-2026) for prophylaxis. On 13-JAN-2026, the patient received Penmenvy. On 13-JAN-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate dose of vaccine administered (Verbatim: Only liquid (Men B) portion administered/adolescent has received by error a partial dose of Penmenvy. Patient has received the diluent portion of Penmenvy only.) and inappropriate preparation of medication (Verbatim: Only liquid (Men B) portion administered/adolescent has received by error a partial dose of Penmenvy. Patient has received the diluent portion of Penmenvy only.). 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: 14-JAN-2026 The reporter was reported that an adolescent had received, in error, a partial dose of Penmenvy. The patient had received only the diluent portion of Penmenvy.