They also suggest, however, the need of further work on the skin test and its correlation with immunity to scarlet fever. Our results apparently add further evidence pointing to the streptococcus etiology of scarlet fever. In one arm, toxin (poison) taken from a culture of scarlet fever bacteria is injected. The Dick test involves administering two different injections, one into each arm of a patient. In comparing the skin reactions with agglutination reactions using a polyvalent streptococcus antigen it was observed that of the 55 individuals in all groups giving a positive skin test only 14.5 per cent possessed agglutinins as compared to 25.5 per cent of the 121 giving negative Dick tests.Īmong those giving no history of scarlet fever, 5 out of 44 or 11.3 per cent of those giving positive Dick tests also possessed agglutinins for Streptococcus scarlatinae, whereas 23 out of 88 or 26.1 per cent of those giving negative skin tests, possessed agglutinins for what is regarded by many as the etiological factor. The Dick test is named after George Dick and Gladys Dick, American bacteriologists who worked on the diagnosis and treatment of scarlet fever in the 1920s. Thirty-three and three tenths per cent of those giving a negative history of scarlet fever gave positive Dick tests. It was noted that approximately half of the positives were obtained from individuals reporting having had severe cases with complications. Twenty-five per cent of those giving a history of scarlet fever gave positive Dick tests. TETANUS, DICK TEST, DIPHTHERIA, PERTUSSIS, ANTHRAX, CHOLERA. Dick test for suscep- tibility in scarlet fever where a hemolytic. Out of a series of 176 volunteers, 44 gave quite definite histories of scarlet fever. diphtheria toxin for Schick test scarlet fever streptococs toxin for Dick test scarlet fever strepto- coccus toxin for immuniZation. by the Schick test, susceptibility to diphtheria is slight during the first.
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