Baseline level of Anti-Ad5 antibodies by ChemiLuminescence.;Level of anti S-RBD IgG by ELISA.;Level of pseudo neutralising antibodies against the wild-type original strain and Beta, Delta, Omicron and emerging VOCs by ELISA.;Level of saliva IgA antibodies by ELISA.;Level of serum Anti-Nucleocapsid IgG by ELISA.;Level of serum Anti-Spike IgG by ELISA.;Level of serum functional neutralizing antibodies by cPass Genscript

Baseline level of Anti-Ad5 antibodies by ChemiLuminescence.;Level of anti S-RBD IgG by ELISA.;Level of pseudo neutralising antibodies against the wild-type original strain and Beta, Delta, Omicron and emerging VOCs by ELISA.;Level of saliva IgA antibodies by ELISA.;Level of serum Anti-Nucleocapsid IgG by ELISA.;Level of serum Anti-Spike IgG by ELISA.;Level of serum functional neutralizing antibodies by cPass Genscript