This was a dose and formulation ranging study to assess the safety and immunogenicity of SP0173 in healthy adolescents, adults, and older adults in the United States (US). Primary Objective * To describe the safety profile of each SP0173 investigational formulation. Observational Objective: * To describe the immunogenicity of each SP0173 investigational formulation.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged 10-18 Years
Timeframe: Within 7 days after vaccination
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged 19-64 Years
Timeframe: Within 7 days after vaccination
Number of Participants With Solicited Injections Site or Systemic Reactions Following Vaccination at Day 0: Aged >=65 Years
Timeframe: Within 7 days after vaccination