Received Oct 7, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| MMR | MEASLES + MUMPS + RUBELLA (PRIORIX) | GLAXOSMITHKLINE BIOLOGICALS | UNK | — | — |
a four year old patient was given less than a full dose; This non-serious case was reported by a other health professional via call center representative and described the occurrence of underdose in a 4-year-old patient who received MMR (Priorix) for prophylaxis. On 04-SEP-2025, the patient received Priorix. On 04-SEP-2025, an unknown time after receiving Priorix, the patient experienced underdose (Verbatim: a four year old patient was given less than a full dose). The outcome of the underdose was 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:16-SEP-2025 Pharmacy student calls on behalf of a medical group mentioning that a four-year-old patient was given less than a full dose. The reporter needs any guidance whether to revaccinate or what can we do from here. No further information was obtained in this call. The reporter was consented to follow up. The batch number was not provided upon follow up with the reporter.