With more than 430 genetic defects, primary immunodeficiencies (PIDs) or inborn errors of immunity are a heterogeneous group rare disorders affecting the immune system.1Tangye S.G. Al-Herz W. Bousfiha A. Chatila T. Cunningham-Rundles C. Etzioni et al.Human immunity: 2019 update on classification from International Union Immunological Societies Expert Committee.J Clin Immunol. 2020; 40: 24-64Cro...