Table 2.

Inclusion and exclusion criteria to select and divide the volunteer subject.

Inclusion Criteria	Exclusion Criteria
Over 10 years	Under 10 years
Previous infection of COVID-19 in the last 9 months	Under immunosuppressor therapy (in the last 5 months)
Full schedule vaccination (and type of vaccine)	Under immunomodulator therapy (in the last 5 months)
Less than 30 days from the second dose or the booster dose	Chronic disease
Negative SARS-COV-2 antigen screening test	Immunodeficiency
Ig anti-RBD > 0.823 BAU/ML	Ig anti-RBD < 0.823 BAU/mL