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Report #2879059

Received Dec 22, 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
Unknown
Age
Age unknown
State
CA
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MNPMENINGOCOCCAL CONJUGATE (PENMENVY)GLAXOSMITHKLINE BIOLOGICALS2——
MNPMENINGOCOCCAL CONJUGATE (PENMENVY)GLAXOSMITHKLINE BIOLOGICALS1——

Symptoms (1)

Wrong product administered

Symptom narrative

Penmenvy instead of Bexsero vaccination; This non-serious case was reported by a other health professional via call center representative and described the occurrence of wrong vaccine administered in a patient who received Men ABCWY NVS (Penmenvy) for prophylaxis. Co-suspect products included Men ABCWY NVS (Penmenvy) for prophylaxis and Men B NVS (Bexsero) for prophylaxis. On an unknown date, the patient received the 2nd dose of Penmenvy, the 1st dose of Penmenvy and did not receive a dose of Bexsero. On an unknown date, an unknown time after receiving Penmenvy and Penmenvy, the patient experienced wrong vaccine administered (Verbatim: Penmenvy instead of Bexsero vaccination). The outcome of the wrong vaccine administered was 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:12-DEC-2025 The reporter wanted to know if Penmenvy was given accidentally instead of Bexsero, with a total of 2 doses of Penmenvy, was that considered complete or should the patient still receive Bexsero. No additional information was provided. The batch number was not provided upon follow- up with the reporter.