Journal Article

Triatoma Virus Pathogenicity in Laboratory Colonies of <i>Triatoma infestans</i> (Hemiptera: Reduviidae)

Oscar A. Muscio, Jose L. La Torre, Matilde A. Bonder and Eduardo A. Scodeller

in Journal of Medical Entomology

Volume 34, issue 3, pages 253-256
Published in print May 1997 | ISSN: 0022-2585
Published online September 2014 | e-ISSN: 1938-2928 | DOI:
Triatoma Virus Pathogenicity in Laboratory Colonies of Triatoma infestans (Hemiptera: Reduviidae)

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In a survey of wild populations of Triatoma infestans (Klug) in Argentina, 10% were infected with Triatoma virus (TrV). The virus also was detected in a laboratory colony 18 mo after being established, with infection rates up to 100%. Mortality rate was 97.6% in nymphs and the molting process was inhibited, thereby increasing development time. Because the virus was detected in colony nymphs, TrV may be transmitted vertically. However, the higher infection rate in the colony compared with natural populations also indicates other route(s) of transmission.

Keywords: Triatoma infestans; Triatoma virus; infection; vertical transmission

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