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Report #2880709

Received Jan 6, 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
Male
Age
16 yrs
State
LA
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MNPMENINGOCOCCAL CONJUGATE (PENMENVY)GLAXOSMITHKLINE BIOLOGICALSUNK5S723-B—

Symptoms (1)

Product preparation issue

Symptom narrative

16 years old received the diluent portion only of Penmenvy, it was not mixed with the powder; 16 years old received the diluent portion only of Penmenvy, it was not mixed with the powder; This non-serious case was reported by a nurse via call center representative and described the occurrence of inappropriate preparation of medication in a 16-year-old male patient who received Men ABCWY NVS (Penmenvy) (batch number 5S723-B, expiry date 30-MAR-2028) for prophylaxis. On an unknown date, the patient received Penmenvy. On an unknown date, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: 16 years old received the diluent portion only of Penmenvy, it was not mixed with the powder) and inappropriate dose of vaccine administered (Verbatim: 16 years old received the diluent portion only of Penmenvy, it was not mixed with the powder). 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.