Figure 10.

Work-up algorithm for the study of close contacts of SC2 infection in the pediatric field, including schools.

^aDone in the previous 3 months, except in special cases; ^bOr not done; ^cPositive antigenic test does not require PCR confirmation;^dIf the patient already had a confirmed infection by PCR or presents positive SC2-IgG in the previous 3 months, it is not recommended to perform the antigenic test or PCR, except in special cases (immunosuppressed or cohabitants at risk or need for admission). In case of close contact at school test not generally indicated, but a test is to be done if the patient develops symptoms during quarantine, vulnerable people according to the criteria of their pediatrician or family doctor, or in situations of special risk, prior public health indication.