1921
Volume 3, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

Eight species in two genera of Triatominae have been tested as vectors of plague. The plague bacilli were found to remain infective in (Uhler) for 3 days at 30°C., but were negative on the fifth day when the bugs were injected as an aqueous suspension into guinea pigs and mice.

Four adult (Stål) in 2 different groups transmitted plague by interrupted feeding; i.e., first feeding on an infected mouse and then feeding on a healthy mouse. These transmissions were probably due to contaminated mouth parts. Thirteen similar feedings were negative using 5 other species of .

and (Burmeister) infected with Chagas and (Lehman and Neumann) were fed to mice; 4 positive plague infections resulted one of which was pneumonic; 3 mice were negative. Thirteen other tests with plague-infected Triatominae fed to mice failed to transmit through the gastrointestinal tract, but produced 3 pneumonic cases.

Neiva was the only species to yield plague positive feces out of 17 specimens tested.

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/content/journals/10.4269/ajtmh.1954.3.890
1954-09-01
2017-09-20
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