Received Jul 3, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (PRIORIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | J942L | — |
Vaccine reconstituted with unapproved diluent; Vaccine reconstituted with unapproved diluent; This non-serious case was reported by a nurse via call center representative and described the occurrence of wrong solution used in drug reconstitution in a 46-year-old female patient who received MMR (Priorix) (batch number J942L, expiry date 08-NOV-2026) for prophylaxis. On 23-JUN-2025, the patient received Priorix. On 23-JUN-2025, an unknown time after receiving Priorix, the patient experienced wrong solution used in drug reconstitution (Verbatim: Vaccine reconstituted with unapproved diluent) and inappropriate dose of vaccine administered (Verbatim: Vaccine reconstituted with unapproved diluent). The outcome of the wrong solution used in drug reconstitution 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: 24-JUN-2025 The Nurse Practitioner explained that on 23rd June 2025, patient had been vaccinated with Priorix doses that had been accidentally reconstituted with sterile water from Merck Sharp & Dohme vaccines instead of the Priorix corresponding diluent that had been provided by Glaxo Smith Kline, which led to Wrong solution used in drug reconstitution and Inappropriate dose of vaccine administered.