None of the patients suffered from hypoxemia, and none required hospital admission.10 In an international study, 94 COVID-19 patients with IEI (32 patients were <18 years old) were reported and 9 of them died. Nine of the 29 previously known IEI patients diagnosed with COVID-19 required hospitalization, and 1 patient diagnosed with IEI after COVID-19 was hospitalized due to multisystem inflammatory syndrome in children (MIS-C). Keywords: children; COVID-19; inborn errors of immunity EN children COVID-19 inborn errors of immunity 1 6 6 01/05/22 20220101 NES 220101 CONFLICT OF INTEREST Authors indicate no such interest. The literature also includes a few articles reporting COVID-19 outcomes in patients followed up due to antibody deficiency.12-14 Most of the patients with COVID-19 in our study were diagnosed with predominant antibody deficiency. [Extracted from the article]