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The Relation of Rat-fleas to Plague in Shanghai
Published online by Cambridge University Press: 15 May 2009
Extract
1. Though Shanghai is in close communication with ports in which plague is endemic, it has not suffered severely.
2. The number of human cases is small compared with the number of plague-infected rats found.
3. Both X. cheopis and C. fasciatus are found. Reasons are given for considering that X. cheopis is the chief agent in spreading plague, and that infection, being unlikely to reach Shanghai during the season when this flea flourishes, has difficulty in gaining a foothold.
4. The discrepancy between the number of cases of human and rat plague may possibly be explained by the habits of C. fasciatus.
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- Copyright © Cambridge University Press 1927
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