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April 8, 1950


JAMA. 1950;142(14):1078. doi:10.1001/jama.1950.02910320040009

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Extensive surveys published during recent years by Edwards,1 Seligmann2 and Felsenfeld3 and their co-workers show that micro-organisms called Salmonellas are present in man and animals and animal products which are served in meals. The large number of individual Salmonella strains and the peculiar epidemiology of some of them, together with the complex antigenic structure which has to be considered in the diagnosis of the different Salmonella types, constitute a real problem.

The disease produced in man may take one of several forms, among the commonest of which are Salmonella fever (often caused by S. typhosa, the paratyphoid bacilli, S. montevideo, S. newport, S. oranienburg and S. panama); Salmonella septicemia with a serious prognosis (most frequently from S. cholerae-suis); Salmonella enterocolitis (in the United States usually from S. typhi-murium, S. montevideo, S. oranienburg, S. newport, S. enteritidis, S. panama and S. give); and, localized extraintestinal infections, such as

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