Report #2871602

Received Nov 10, 2025

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: Female
Age: Age unknown
State: —
Recovered: Unknown
Vaccinated: Oct 30, 2025
Onset: Oct 30, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MMR	MEASLES + MUMPS + RUBELLA (PRIORIX)	GLAXOSMITHKLINE BIOLOGICALS	1	499F5	LA

Symptoms (1)

Product preparation issue

Symptom narrative

Gave only diluent; Gave only diluent; This non-serious case was reported by a other health professional via sales rep and described the occurrence of inappropriate preparation of medication in a 53-year-old female patient who received MMR (Priorix) (batch number 499F5, expiry date 02-NOV-2029) for prophylaxis. On 30-OCT-2025, the patient received the 1st dose of Priorix (left arm). On 30-OCT-2025, an unknown time after receiving Priorix, the patient experienced inappropriate preparation of medication (Verbatim: Gave only diluent) and inappropriate dose of vaccine administered (Verbatim: Gave only diluent). 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:05-NOV-2025 The reporter reported that he or she had given only diluent of Priorix.