Serum neutralizing antibodies; IgG antibodies; and IgM antibodies of SARS-CoV-2 28 days after the last dose of vaccination;Serious adverse events (SAE) during the entire study period (6 months after the full vaccination;Serum neutralizing antibodies; IgG antibodies; and IgM antibodies of SARS-CoV-2 at months 3; 6; and 12 after the last dose of vaccination;

Serum neutralizing antibodies; IgG antibodies; and IgM antibodies of SARS-CoV-2 28 days after the last dose of vaccination;Serious adverse events (SAE) during the entire study period (6 months after the full vaccination;Serum neutralizing antibodies; IgG antibodies; and IgM antibodies of SARS-CoV-2 at months 3; 6; and 12 after the last dose of vaccination;