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A CHRONIC TYPHOID FEVER PRODUCER,

JAMA. 1907;XLVIII(24):2031. doi:10.1001/jama.1907.02520500037005.
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An interesting and detailed account of an extensive investigation into the sources of a household epidemic of typhoid fever is given in The Journal this week by George A. Soper,1 New York. Of eleven persons six developed typhoid fever between August 27 and September 3. Careful examination excluded the water, milk, vegetables, fruit and soft clams as possible sources. There were no cases in the town immediately preceding or following those studied and none of the patients had been away for several weeks before they fell sick, so that there could be no question but that the disease had been acquired on the premises, which, however, were found in a thoroughly hygienic condition. On August 4 a change of cooks had taken place and the new cook remained with the family for three weeks before and three weeks after the outbreak. An investigation of her previous career showed that,

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