Report #2887733

Received Mar 5, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex: Unknown
Age: Age unknown
State: —
Recovered: Unknown
Vaccinated: Feb 23, 2026
Onset: Feb 23, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMR	MEASLES + MUMPS + RUBELLA (PRIORIX)	GLAXOSMITHKLINE BIOLOGICALS	UNK	UNK	—

Symptoms (1)

Product preparation issue

Symptom narrative

only injected the water portion into the patient; only injected the water portion into the patient; This non-serious case was reported by a pharmacist via sales rep and described the occurrence of inappropriate preparation of medication in a patient who received MMR (Priorix) for prophylaxis. On 23-FEB-2026, the patient received Priorix (unknown arm). On 23-FEB-2026, an unknown time after receiving Priorix, the patient experienced inappropriate preparation of medication (Verbatim: only injected the water portion into the patient) and inappropriate dose of vaccine administered (Verbatim: only injected the water portion into the patient). 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: 23-FEB-2026 The pharmacist reported that patient received only the water portion. The batch number was not provided, and we are unable to contact the reporter.