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Report #2871442

Received Nov 7, 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
Male
Age
17 yrs
State
MI
Recovered
Unknown
Vaccinated
Oct 31, 2025
Onset
Oct 31, 2025
Days to onset
0
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
FLU3INFLUENZA (SEASONAL) (FLUZONE)SANOFI PASTEURUNKU8863BAOT / LA

Symptoms (2)

ExtrasystolesNo adverse event

Symptom narrative

dose today was administered in error because he already had a flu shot with Fluzone earlier this season on 07Oct2025, with no reported adverse event; Initial information received on 31-Oct-2025 regarding an unsolicited valid non-serious case received from a other health professional. This case involves a 17 years old male patient who was administered in error because he already had a flu shot with Influenza Usp Trival A-B Subvirion No Preservative Vaccine [Fluzone] earlier this season on 07-Oc-t2025, with no reported adverse event. The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided. Concomitant medications included Meningococcal vaccine B rfHbpA/fHbpB (Trumenba) for Product used for unknown indication. On 31-Oct-2025, the patient received 0.5mL of suspect Influenza Usp Trival A-B Subvirion No Preservative Vaccine, Suspension for injection (lot U8863BA, expiry date 30-Jun-2026 and strength not reported) via unknown route in the left deltoid for Immunisation and today was administered in error because he already had a flu shot with fluzone earlier this season on 07oct2025, with no reported adverse event (extra dose administered) (latency same day). Action taken was not applicable. This suspected adverse reaction report is submitted and classified as a medication error solely and exclusively to ensure the marketing authorization holder's compliance with the requirements set out in the Directive 2001/83/EC and Module VI of the Good Pharmacovigilance Practices. The classification as a medical error is in no way intended, nor should it be interpreted or construed as an allegation or claim made by the marketing authorization holder that any third party has contributed to or is to be held liable for the occurrence of this medication error.

Other medications

Trumenba