Families with at least one child or young adult aged between 4 and 16 years old and with at least one cohabitant who tested positive to nasopharyngeal swab are contacted by phone. Those who decide to sign an informed consent after reading the study information will be included in the study. It consists of a preliminary telephone interview and a following rapid serological test for all children and young adults with the age included in the range of interest and the cohabitant who tested positive to nasopharingeal swab.~The obtained results will be collected and analysed, and the outcomes of the study will be measured.
Use of rapid serological tests to assess the vulnerability to SARS-CoV-2 infection of subjects aged 4-16 years old and cohabiting with at least one family member who tested positive to SARS-CoV-2