Utilizing Case Report Forms and safety follow up via telephone to measure and assess incidence, duration, and severity of solicited local and systemic adverse events (AEs);Utilizing Case Report Forms to measure and assess Incidence, duration, severity, and relationship of unsolicited AEs;Utilizing Case Report Forms to measure incidence and relationship of medically attended adverse events (MAAEs), adverse events of special interest (AESIs) (predefined list), and serious adverse events (SAEs) throughout the study.;Utilizing ratio of IgG GMTs and difference in seroconversion rates to compare IgG antibody responses between the vaccines.

Utilizing Case Report Forms and safety follow up via telephone to measure and assess incidence, duration, and severity of solicited local and systemic adverse events (AEs);Utilizing Case Report Forms to measure and assess Incidence, duration, severity, and relationship of unsolicited AEs;Utilizing Case Report Forms to measure incidence and relationship of medically attended adverse events (MAAEs), adverse events of special interest (AESIs) (predefined list), and serious adverse events (SAEs) throughout the study.;Utilizing ratio of IgG GMTs and difference in seroconversion rates to compare IgG antibody responses between the vaccines.