Open-label, Non-randomized, Non-comparative, Phase II Study of Safety and Immunogenicity of Combination of AZD1222 and rAd26-S for COVID-19 Prevention

"AZD1222 (0.5 ml per dose) contains:~Active substance: ChAdOx1 nCoV-19, a replicant-deficient simian adenoviral vector in the amount of 5 х 10\^10 particles per dose.~Solution for intramuscular injection, supplied in vials (5 mL, up to 10 doses per vial) in a carton box."

"Component I (0.5 ml per dose) contains:~Active substance: recombinant adenovirus serotype 26 particles containing the SARS-CoV-2 protein S gene, in the amount of (1.0±0.5) х 10\^11 particles per dose.~Solution for intramuscular injection, supplied in vials (3 mL, 5 doses per vial) in a carton box"