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George Homan, M.D.
JAMA. 1918;70(19):1395-1396. doi:10.1001/jama.1918.02600190051021.
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To the Editor:  —In The Journal, April 27, 1918, p. 1247, your London correspondent mentions some important facts respecting the rôle of the louse as the cause of trench fever; and, from what is there said, it would appear that, while the typhus disease is conveyed by the bite of the louse, trench fever is the result of an infection from the other end of that insect. Indeed, it would seem that man, proud man, has been reduced to the last stage of physical degradation by being trodden on, preyed on, and his comfort, health and life placed in jeopardy by the excrement of this abhorred parasite—the indignity being literally rubbed into him in a double sense; and, in this connection, the means of prevention are of first importance—and as they appear to be simple and available, I now take the liberty of speaking on this subject.In the accounts


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