Report #2900628

Received Jun 18, 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: 17 yrs
State: MO
Recovered: Unknown
Vaccinated: Jun 9, 2026
Onset: Jun 9, 2026
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
MNP	MENINGOCOCCAL CONJUGATE (PENMENVY)	GLAXOSMITHKLINE BIOLOGICALS	UNK	52YC5	—

Symptoms (1)

Product preparation issue

Symptom narrative

on June 9, 2026 only the liquid portion of the Penmenvy vaccine was administered to a patient; on June 9, 2026 only the liquid portion of the Penmenvy vaccine was administered to a patient; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate preparation of medication in a 17-year-old female patient who received Men ABCWY NVS (Penmenvy) suspension for injection in pre-filled syringe (batch number 52YC5 with expiry date 23-SEP-2027) for prophylaxis. On 09-JUN-2026, the patient received Penmenvy. On 09-JUN-2026, an unknown time after receiving Penmenvy, the patient experienced inappropriate preparation of medication (Verbatim: on June 9, 2026 only the liquid portion of the Penmenvy vaccine was administered to a patient) and inappropriate dose of vaccine administered (Verbatim: on June 9, 2026 only the liquid portion of the Penmenvy vaccine was administered to a patient). This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences.