A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Combined Modified RNA Vaccine Candidate Against COVID-19 and Influenza.

Conditions: Influenza; COVID-19

Interventions: Biological: Influenza and COVID-19 Combination A; Biological: Licensed influenza vaccine; Biological: COVID-19 Vaccine; Biological: Influenza and COVID-19 Combination B; Biological: Placebo

Sponsors: BioNTech SE; Pfizer

Not yet recruiting