In case of coronavirus disease 2019 (COVID-19) in children suffering from primary immunodeficiency, the last one can be an aggravating or a mitigating factor course severe acute respiratory syndrome 2 (SARS-CoV-2) infection. WHIM (warts, hypogammaglobulinemia, infections, and myelokathexis) is usually classified as congenital neutropenia, but most patients have multiple leukocyte deficits, even...