Annual Study for Serum Collection for Immunogenicity and Safety Evaluation in Healthy Children Receiving Fluzone®

Inclusion Criteria: * Participant is ≥ 6 months to \< 5 years of age. * Participant is considered to be in good health on the basis of reported medical history and a limited history-directed physical examination. * Parent/legal acceptable representative is willing and able to bring the subject to the scheduled visits and to comply with the study procedures during the entire duration of the study. * Parent/legal acceptable representative is willing and able to provide informed consent. * Subject was born at full term of pregnancy (≥ 37 weeks) with a birth weight ≥ 2.5 kg (5.5 lbs). Exclusion Criteria: * Reported allergy to egg proteins, chicken proteins, or any other constituent of the vaccine. * History of severe adverse event to any influenza vaccine. * Laboratory-confirmed influenza infection or vaccination against influenza in the 6 months preceding enrollment in the study. * Any vaccination scheduled between Visit 1 and Visit 2. * Planned participation in any other interventional clinical trial during participation in the study. * Known or suspected impairment of immunologic function or receipt of immunosuppressive therapy or immunoglobulin since birth. * Personal or immediate family history of congenital immune deficiency. * Developmental delay, neurologic disorder, or seizure disorder. * Chronic medical, congenital, or developmental disorder. * Known Human immunodeficiency virus (HIV)-positive mother. * Prior personal history of Guillain-Barré syndrome. * Any condition which, in the opinion of the Investigator, would pose a health risk to the subject or interfere with the evaluation of the vaccine. * Thrombocytopenia or bleeding disorder contraindicating intramuscular (IM) vaccination.