Prausnitz–Küstner reaction. These workers demonstrated antibodies in the blood of persons suffering from atopic allergic diseases. They produced local passive sensitization by intracutaneous injection of serum from a hypersensitive subject. Prausnitz spent his later years in England, where he adopted the surname Prausnitz Giles. Translated by Prausnitz in Clinical aspects of immunology (P.G.H.Gell & R.R.A. Coombs, eds.) Oxford, 1962, pp. 808-16.