A Study to Evaluate the Efficacy and Safety of GC3110A in Healthy Subjects Aged 65 Years and Older

Inclusion Criteria: * Healthy adults aged 65 years and older * Informed consent form has been signed and dated * Able to comply with the requirements of the study Exclusion Criteria: * Known systemic hypersensitivity to eggs, chicken proteins, or any of the vaccine components * Personal history of Guillain-Barre syndrome(GBS) * Subjects with severe chronic disease who are considered by investigator to be ineligible for the study * Subjects who received a vaccination within 28 days before enrollment or who are scheduled for another vaccination during the study * Immunocompromised subjects with immunodeficiency disease or subjects receiving immunosuppressive or immunomodulating therapy