TREATMENT OF TYPHOID FEVER BY INTRAVENOUS INJECTIONS OF POLYVALENT SENSITIZED TYPHOID VACCINE SEDIMENT

Abstract
Since the work of Fraenkel1in 1893, killed preparations of the typhoid bacillus have been injected subcutaneously as a means of treatment in typhoid fever. Little interest was at first awakened by the suggestive results of Fraenkel except in a discussion of the specificity of his treatment (Rumpf,2Kraus and Buswell,3Presser.4) In 1902 Petruschy5used a combination of vaccine and immune serum in typhoid, and in 1908 Pescarolo and Quadrone6advocated the use of a living, avirulent typhoid culture. Following the interest in vaccine therapy awakened by Wright, increasingly frequent reports on the possible value of typhoid vaccines in typhoid fever have appeared. In 1912 Callison7summarized the results obtained by numerous authors, chiefly English and American, in 747 cases, and in 1915 Krumbhaar and Richardson8could collect over 1,800 cases reported on by forty authors. It is known that many

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