Ocena metod ciepłej i zimnej odczynu wiązania dopełniacza

287 sera were examined by means of the complement fixation reaction, applying the cold and warm method. 282 were human and 5 rabbit sera. The results of these examinations may be summarized as follows: 1) Positive results were obtained: by the warm method - 5,92%, by the cold method - 14,79%. 2) The titre with the cold method is always higher than the titre obtained with the warm method. 3) The conformity of the results of the complement fixation, Sabin-Feldman's dye test and Frenkel's intradermal test amounts to 61.5% for the warm method and to 66.6% for the cold method. The conformity of the ,results of the complement fixation and Frenkel's intradermal test amounts to 54.8% for the warm and 58.06% for the cold method. The conformity of the results of the complement fixation test and the dye test amounts to 84% for both methods.