Report #2882525

Overview

Sex

Unknown

Age

Age unknown

State

NC

Recovered

Unknown

Vaccinated

—

Onset

—

Days to onset

—

Hospital days

—

Symptoms (1)

Symptom narrative

Possible administration of only the diluent; Possible administration of only the diluent; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of inappropriate dose of vaccine administered in a patient who received MMR (Priorix) for prophylaxis. On an unknown date, the patient received Priorix. On an unknown date, an unknown time after receiving Priorix, the patient experienced inappropriate dose of vaccine administered (Verbatim: Possible administration of only the diluent) and inappropriate preparation of medication (Verbatim: Possible administration of only the diluent). 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: 16-JAN-2026 The pharmacist reported that when reviewing the box, there was one vial of sterile water diluent missing, and they assumed that the patient probably received only the diluent. The sales representative was not able to clarify this at the moment of reporting as the pharmacist was not on site, thus would update with any new data when possible. The batch number was not provided upon follow up with the reporter.