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October 29, 1904


JAMA. 1904;XLIII(18):1312. doi:10.1001/jama.1904.02500180042006

With the preparation of the antitoxin of diphtheria and its successful therapeutic employment, it was hoped that other forms of serum might be found to have a corresponding utility. This hope, however, has been, realized only in small degree, and to the future must be left the determination of the causes for this relative disappointment. Streptococcus infection especially is so common and it appears in so many forms that it would be a boon indeed if a serum could be prepared capable of conferring immunity to such infection and of bringing about recovery from it. Past failure has been attributed to differences in the species of streptococci giving rise to the several infections. In the course of an investigation undertaken primarily to secure information as to the identity of the streptococci found in milk and those in the human organism in health and disease, Dr. D. H. Bergey1 made some

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