VAERS Explorer
Back to explore

Report #2890311

Received Mar 23, 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
Unknown
Age
Age unknown
State
WA
Recovered
Unknown
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
MENBMENINGOCOCCAL B (BEXSERO)NOVARTIS VACCINES AND DIAGNOSTICSUNK
MNPMENINGOCOCCAL CONJUGATE (PENBRAYA)PFIZER\WYETHUNK

Symptoms (1)

Interchange of vaccine products

Symptom narrative

Interchange with Penbraya; This non-serious case was reported by a other health professional via call center representative and described the occurrence of interchange of vaccine products in a patient who received Men B NVS (Bexsero) for prophylaxis. Co-suspect products included Meningococcal vaccine A/B/C/W/Y (Penbraya) for prophylaxis. On an unknown date, the patient received Bexsero and Penbraya. On an unknown date, an unknown time after receiving Bexsero and an unknown time after receiving Penbraya, the patient experienced interchange of vaccine products (Verbatim: Interchange with Penbraya). The outcome of the interchange of vaccine products 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-MAR-2026 and 13-MAR-2026 The clinic had recently switched to Penbraya and Trumenba. They had given the patient Penbraya at 0 months and had then accidentally given Bexsero at 6 months. They were now asking when they should give the second dose of Bexsero to complete the series. The batch number was not provided upon follow up with the reporter.