Influenza A; Influenza A; This spontaneous case, initially received on 20-Jan-2025, was reported by a non health professional and concerns a female patient with unknown age. Medical history and concomitant medications were unknown. Administration of company suspect drug: On 10-Oct-2024, the patient received Flucelvax (TIV) for an indication not reported, dose regimen: 0.5 ml, route of administration and anatomical location: not reported, Lot number: 946618. No additional suspect drugs. Adverse reactions/events and outcomes: On 06-Jan-2025, the patient experienced Influenza A (Medically Significant, outcome: Unknown), Influenza A (outcome: Not reported). The patient reported that was administered Flucelvax 2024-2025 (Lot #946618) on 10-Oct-2024 at Pharmacy. On Monday 06-Jan-2025 the patient was diagnosed with Influenza A (by point-of-care testing Influenza A rapid) at Urgent Care. It was unknown if patient was hospitalized. Treatment measures associated with event: Unknown Flucelvax (TIV) action taken: Not Applicable Reporter assessment: The reporter considered the events as non serious and did not provide a causality assessment.; Reporter’s Comments: Causality: Due to the spontaneous nature of the case, it is considered related for reporting purposes. A lack of effect/vaccination failure can generally be expected for any medicinal/drug product/vaccine as a 100% success rate cannot be reasonably assumed in every patient treated.