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March 3, 1900


JAMA. 1900;XXXIV(9):565-566. doi:10.1001/jama.1900.02460090051015

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The latest Public Health Reports of the U. S. Marine-Hospital Service contain a translation of an article by Dr. Bruno Galli-Valerio, from the Centralblatt fur Bacteriologie, in which the author combats the views that the plague can be communicated to the human species through the intermediary of fleas. It is well known that the common human flea of Europe (Pulex irritans) is largely replaced in this country by the dog and cat fleas, which are also inclined to bite man, though perhaps not so persistently dwellers on his person. A priori it would seem possible that the rat and mice flea might also be a human pest, but according to Dr. Galli-Valerio this is not the case. He is as vulnerable to flea bites as others, but the rat flea immedately deserts him when placed on his body, and he is convinced that man is not at all to its

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