Received Dec 15, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| FLU4 | INFLUENZA (SEASONAL) (FLULAVAL QUADRIVALENT) | GLAXOSMITHKLINE BIOLOGICALS | 2 | 4D255 | — |
patient that received 2 flu vaccines (Flulaval), one on 02-Dec-2025 and one on 08-Dec-2025; This non-serious case was reported by a nurse via call center representative and described the occurrence of drug dose administration interval too short in a 15-month-old male patient who received Flu Seasonal QIV Quebec (FluLaval Quadrivalent 2023-2024 season) (batch number 4D255) for prophylaxis. Concomitant products included INFLUENZA VACCINE INACT SPLIT 4V (FLULAVAL QUADRIVALENT). On 08-DEC-2025, the patient received the 2nd dose of FluLaval Quadrivalent 2023-2024 season. On 08-DEC-2025, an unknown time after receiving FluLaval Quadrivalent 2023-2024 season, the patient experienced drug dose administration interval too short (Verbatim: patient that received 2 flu vaccines (Flulaval), one on 02-Dec-2025 and one on 08-Dec-2025). The outcome of the drug dose administration interval too short 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: 10-DEC-2025 The nurse reported that patient had received 2 flu vaccines Flulaval one on 02-DEC-2025 ad other on 08-DEC-2025.