Report #2853049

Received Aug 6, 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: 31 yrs
State: —
Recovered: Unknown
Vaccinated: Jul 29, 2025
Onset: Jul 29, 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	AMVB064A	—

Symptoms (1)

Product preparation error

Symptom narrative

Menveo (2 vial) powder administration with a non-approved diluent; Menveo (2 vial) powder administration with a non-approved 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 31-year-old female patient who received Men ACWY-CRM NVS (Menveo) (batch number AMVB064A, expiry date 31-DEC-2025) for prophylaxis. On 29-JUL-2025, the patient received Menveo. On 29-JUL-2025, an unknown time after receiving Menveo, the patient experienced inappropriate dose of vaccine administered (Verbatim: Menveo (2 vial) powder administration with a non-approved diluent) and wrong solution used in drug reconstitution (Verbatim: Menveo (2 vial) powder administration with a non-approved diluent). The outcome of the inappropriate dose of vaccine administered and wrong solution used in drug reconstitution were not applicable. Additional Information: GSK Receipt Date: 31-JUL-2025 The pharmacist wanted to obtain information regarding the administration of Menveo's powder with a non-approved diluent (saline water), which led to Wrong solution used in drug reconstitution and Inappropriate dose of vaccine administered.