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Part II. Transference of plague from rat to rat
Published online by Cambridge University Press: 15 May 2009
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In the following experiments, which are a repetition of those of Gauthier and Raybaud (1902, 1903), it is shown that, in the presence of the common Indian rat flea (Pulex cheopis, Rothschild), plague may spread from a plague-infected rat to a healthy rat confined in close proximity, but in such a way as to prevent contact with the body or excreta of the sick rat.
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- I. Experiments upon the transmission of plague by fleas
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- Copyright © Cambridge University Press 1906
References
page 435 note 1 The cultures of plague employed in these experiments were agar cultures obtained from the spleen of guinea-pigs that had been used to test, by the cutaneous rubbing method, the identity of plague-like organisms found in Bombay rats dead of supposed plague.
page 435 note 2 Over 99 per cent. of the fleas captured off rats in Bombay have been found to be P. cheopis.
page 436 note 1 See below, p. 506.
page 437 note 1 The following growth-characteristics were taken as indicating true plague:
1. Appearance on agar slope, and staining reactions of same.
2. Appearance on salt agar,—involution forms.
3. Appearance in oil broth,—stalactite formation.
page 445 note 1 See papers IV and V, below, pp. 496 and 502.
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