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STUDIES ON YELLOW FEVER IN SOUTH AMERICA : IV. TRANSMISSION EXPERIMENTS WITH AËDES AEGYPTI

Authors
Journal
Journal of Experimental Medicine
0022-1007
Publisher
The Rockefeller University Press
Publication Date
Keywords
  • Article
Disciplines
  • Medicine

Abstract

1. Batches of Aëdes (Stegomyia) aegypti which had fed on monkeys in the early febrile stage of yellow fever and which has subsequently passed the usually accepted extrinsic incubation period for the virus, failed to transmit the disease to normal monkeys in approximately fifty per cent of the experiments. During the same time over eighty per cent of blood transfers were successful. 2. The monkeys which failed to show fever following mosquito bites later proved resistant to the inoculation of blood or tissues containing virus. 3. The incubation, or afebrile, period in monkeys following the bites of infected mosquitoes varied from less than twenty-four hours to fifteen days. It averaged somewhat longer in non-fatal than in fatal infections.

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