Received Oct 24, 2025
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| FLU3 | INFLUENZA (SEASONAL) (FLULAVAL) | GLAXOSMITHKLINE BIOLOGICALS | 2 | — | — |
Maladministration FLULAVAL two doses on an adult patient; This non-serious case was reported by a other health professional via call center representative and described the occurrence of extra dose administered in a 69-year-old patient who received Flu Seasonal TIV Quebec (FluLaval 2025-2026 season) for prophylaxis. Concomitant products included Influenza vaccine inact split 3v (Flulaval). On 03-OCT-2025, the patient received the 2nd dose of FluLaval 2025-2026 season. On 03-OCT-2025, an unknown time after receiving FluLaval 2025-2026 season, the patient experienced extra dose administered (Verbatim: Maladministration FLULAVAL two doses on an adult patient). The outcome of the extra dose administered 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: 03-OCT-2025 Medical Assistant called asking for advice, since a patient was administered two doses of the Flulaval vaccine. The nurses were following the high dose flu vaccination schedule due to the patients age (and also they only carry Flulaval there). Medical Assistant needs guidance on this specific patient´s vaccination.