Post-marketing Surveillance Study for the Safety of Efluelda Tetra Pre-filled Syringe.

연구 개요

To investigate the incidence of adverse events (AEs) and adverse drug reactions (ADRs) occurred following administration of Efluelda Tetra in adults aged 65 years or older under routine clinical practice, as per approved indications. The study duration of each participation will be approximately 28 to 35 days. In the event that Visit 2 is not made, the study duration would be extended to 36 to 42 days.