The chance to analyse the four IgG subclasses arose with the publication of Terry and Fahey1 . Since then, a lot of new information on the role of subclasses and their deficiency states in humans has been obtained. This review tries to analyse critically our current knowledge of subclass deficiencies in children.
Keywords: IgG replacement; IgG subclass deficiency; IgG subclasses; children.
© 2017 EAACI and John Wiley and Sons A/S. Published by John Wiley and Sons Ltd.