Report #2861941

Received Sep 29, 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: 18 yrs
State: OH
Recovered: Unknown
Vaccinated: Sep 15, 2025
Onset: Sep 15, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MNQ	MENINGOCOCCAL CONJUGATE (MENVEO)	NOVARTIS VACCINES AND DIAGNOSTICS	UNK	AMVB072A	—

Symptoms (1)

Product preparation error

Symptom narrative

Menveo administration with a non-approved diluent; Inappropriate dose of vaccine administered; This non-serious case was reported by a pharmacist via call center representative and described the occurrence of wrong solution used in drug reconstitution in a 18-year-old female patient who received Men ACWY-CRM NVS (Menveo) (batch number AMVB072A, expiry date 30-APR-2026) for prophylaxis. On 15-SEP-2025, the patient received Menveo. On 15-SEP-2025, an unknown time after receiving Menveo, the patient experienced wrong solution used in drug reconstitution (Verbatim: Menveo administration with a non-approved diluent) and inappropriate dose of vaccine administered (Verbatim: Inappropriate dose of vaccine administered). The outcome of the wrong solution used in drug reconstitution and inappropriate dose of vaccine administered were not applicable. Additional Information: GSK Receipt Date: 16-SEP-2025 The pharmacist sought guidance on the appropriate course of action after having administered the lyophilized vial of Menveo reconstituted with a diluent other than the one provided by the manufacturer.