Phase IV Trial to Collect Safety Data and Sera in Healthy Children Given Fluzone Vaccine

To provide serum to the Food and Drug Administration (FDA) for use by FDA, the Centers for Disease Control and Prevention (CDC), and the World Health Organization (WHO) for characterization of circulating influenza strains. Observational Objectives: To describe the safety of the 2005-2006 pediatric formulation of Fluzone vaccine, given in the two-dose schedule in accordance with the Package Insert, in children aged ≥ 6 months to \< 36 months. To describe the immunogenicity of the 2005-2006 pediatric formulation of Fluzone vaccine, administered in a two-dose schedule in accordance with the Package Insert, in children aged ≥ 6 months to \< 36 months.