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Report #2881989

Received Jan 15, 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
Female
Age
16 yrs
State
UT
Recovered
Unknown
Vaccinated
Nov 18, 2025
Onset
Nov 18, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
MNPMENINGOCOCCAL CONJUGATE (PENMENVY)GLAXOSMITHKLINE BIOLOGICALSUNK5S723—

Symptoms (1)

Product preparation issue

Symptom narrative

patient may have received only the MenB liquid portion of the vaccine; patient may have received only the MenB liquid portion of the vaccine; This non-serious case was reported by a other health professional and described the occurrence of inappropriate preparation of medication in a 16-year-old female patient who received Men ABCWY NVS (Penmenvy) (batch number 5S723, expiry date 10-AUG-2026) for prophylaxis. On 18-NOV-2025, the patient received Penmenvy. On 18-NOV-2025, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: patient may have received only the MenB liquid portion of the vaccine) and inappropriate dose of vaccine administered (Verbatim: patient may have received only the MenB liquid portion of the vaccine). 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: 23-DEC-2025 The patient had come to clinic to receive Penmemy on 18-NOV-2025. During a routine inventory on 01-DEC-2025, it was discovered that the patient might have received only the MenB liquid portion of the vaccine. This potential error had occurred during the administration process. Patient's guardian was notified of possible error and will bring the patient into clinic to receive MenACWY in JAN-2026.