Report #2869850

Received Oct 31, 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: Female
Age: Age unknown
State: TX
Recovered: Unknown
Vaccinated: Oct 3, 2025
Onset: Oct 3, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
FLU3	INFLUENZA (SEASONAL) (FLULAVAL)	GLAXOSMITHKLINE BIOLOGICALS	UNK	2T543	—

Symptoms (1)

Product administered to patient of inappropriate age

Symptom narrative

four-month-old patient that was administered a Flulaval vaccine; This non-serious case was reported by a other health professional via call center representative and described the occurrence of inappropriate age at vaccine administration in a 4-month-old female patient who received Flu Seasonal TIV Quebec (FluLaval 2025-2026 season) (batch number 2T543, expiry date 30-JUN-2026) for prophylaxis. On 03-OCT-2025, the patient received FluLaval 2025-2026 season. On 03-OCT-2025, an unknown time after receiving FluLaval 2025-2026 season, the patient experienced inappropriate age at vaccine administration (Verbatim: four-month-old patient that was administered a Flulaval vaccine). 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.