Characteristics of fever produced by Hypersensitivity Pyrogen

(1) The characteristic properties of a pyrogenic substance produced in the reaction of delayed hypersensitive cell extracts with antigenin vitro (the so-called hypersensitivity pyrogen) were described and compared with the properties of the leucocytar pyrogen and bacterial endotoxin. (2) The hypersensitivity pyrogen differs from both of them by the typical… (More)