Report #2873256

Received Nov 18, 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: 0.2 yrs
State: MD
Recovered: Unknown
Vaccinated: Nov 13, 2025
Onset: Nov 13, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
FLU3	INFLUENZA (SEASONAL) (FLULAVAL)	GLAXOSMITHKLINE BIOLOGICALS	UNK	52TM4	—

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

Wrong age; This non-serious case was reported by a physician via call center representative and described the occurrence of inappropriate age at vaccine administration in a 2-month-old male patient who received Flu Seasonal TIV Quebec (FluLaval 2025-2026 season) (batch number 52TM4, expiry date 30-JUN-2026) for prophylaxis. On 13-NOV-2025, the patient received FluLaval 2025-2026 season. On 13-NOV-2025, an unknown time after receiving FluLaval 2025-2026 season, the patient experienced inappropriate age at vaccine administration (Verbatim: Wrong age). The outcome of the inappropriate age at vaccine administration 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:14-NOV-2025 The pediatrician mentioned they accidentally administered FluLaval. Administration Facility was the same as primary reporter.