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JAMA. 1910;LIV(16):1297. doi:10.1001/jama.1910.92550420001001f.
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The statement that the Trichinella spiralis passes from the intestines to the muscles by way of the chyle and blood-streams has been generally accepted, although until recently no proof has been furnished that this occurs in man. In April, 1909, Drs. Herrick and Janeway1 of New York first demonstrated the Trichinella spiralis in the circulating blood of man. The following report of the finding of an embryo of Trichinella spiralis in the human blood may, therefore, be of interest as adding still further proof that the parasite reaches the muscles through the blood-stream.

Clinical History.  —The patient, an Italian woman, aged 29, was admitted to St. Luke's Hospital, Jan. 26, 1910, in the service of Dr. S. W. Lambert. She had been suffering for three weeks with headache, pains over the whole body, anorexia, occasional diarrhea, and weakness. She had vomited frequently during her illness, and


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