Report #2861642

Received Sep 26, 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: 1.5 yrs
State: NJ
Recovered: Unknown
Vaccinated: Aug 29, 2025
Onset: Aug 29, 2025
Days to onset: 0
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
UNK	VACCINE NOT SPECIFIED (NO BRAND NAME)	UNKNOWN MANUFACTURER	1	FH4YR	—

Symptoms (2)

Circumstance or information capable of leading to medication errorUnderdose

Symptom narrative

patient did not get the full dose of Flulaval because he moved his arm while receiving the shot; This non-serious case was reported by a other health professional via call center representative and described the occurrence of accidental underdose in a 18-month-old male patient who received Flu Seasonal TIV Quebec (FluLaval 2025-2026 season) (batch number FH4YR, expiry date 02-JUN-2026) for prophylaxis. On 29-AUG-2025, the patient received the 1st dose of FluLaval 2025-2026 season. On 29-AUG-2025, an unknown time after receiving FluLaval 2025-2026 season, the patient experienced accidental underdose (Verbatim: patient did not get the full dose of Flulaval because he moved his arm while receiving the shot). The outcome of the accidental underdose 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: 29-AUG-2025 A medical assistant called to get guidance after a patient did not get the full dose of Flulaval because he moved his arm while receiving the shot. The reporter wanted to know if the shot was valid.