Received Nov 4, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| FLU3 | INFLUENZA (SEASONAL) (FLULAVAL) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 4795R | — |
an expired dose of Flulaval vaccine was administered by mistake to a patient; This non-serious case was reported by a nurse via call center representative and described the occurrence of expired vaccine used in a 53-year-old male patient who received Flu Seasonal TIV Quebec (FluLaval 2024-2025 season) (batch number 4795R, expiry date 30-JUN-2025) for prophylaxis. On 20-OCT-2025, the patient received the 1st dose of FluLaval 2024-2025 season. On 20-OCT-2025, an unknown time after receiving FluLaval 2024-2025 season, the patient experienced expired vaccine used (Verbatim: an expired dose of Flulaval vaccine was administered by mistake to a patient). The outcome of the expired vaccine used 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: 20-OCT-2025 On 20 October 2025, a nurse called to get assistance after an expired dose of Flulaval vaccine was administered by mistake to a patient. The vaccine administration Facility was the same as Primary Reporter.