Report #2859472

Received Sep 17, 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: Unknown
Age: Age unknown
State: FL
Recovered: Unknown
Vaccinated: Sep 8, 2025
Onset: Sep 8, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

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

Symptoms (1)

Incorrect route of product administration

Symptom narrative

Priorix given IM; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of subcutaneous injection formulation administered by other route in a patient who received MMR (Priorix) for prophylaxis. On 08-SEP-2025, the patient received Priorix (intramuscular). On 08-SEP-2025, an unknown time after receiving Priorix, the patient experienced subcutaneous injection formulation administered by other route (Verbatim: Priorix given IM). The outcome of the subcutaneous injection formulation administered by other route 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: 08-SEP-2025 The reporter (pharmacist) mentioned that a dose of Priorix vaccine was accidentally administered via the IM (intramuscular) route.