Mosquito isolates of Ross River virus from Cairns, Queensland, Australia

Harley, D., Ritchie, S. A., Phillips, D. and Van Den Hurk, A. (2001) Mosquito isolates of Ross River virus from Cairns, Queensland, Australia. American Journal of Tropical Medicine and Hygiene, 62 5: 561-565.

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Author Harley, D.
Ritchie, S. A.
Phillips, D.
Van Den Hurk, A.
Title Mosquito isolates of Ross River virus from Cairns, Queensland, Australia
Journal name American Journal of Tropical Medicine and Hygiene   Check publisher's open access policy
ISSN 0002-9637
Publication date 2001-01-01
Sub-type Article (original research)
Open Access Status File (Publisher version)
Volume 62
Issue 5
Start page 561
End page 565
Total pages 5
Place of publication Mclean, VA, United States
Publisher American Society of Tropical Medicine & Hygiene
Language eng
Subject 321206 Preventive Medicine
730213 Preventive medicine
321299 Public Health and Health Services not elsewhere classified
730212 Disease distribution and transmission
Abstract During 1996-1998 60,619 mosquitoes were collected around Cairns, Australia and processed for Alphavirus isolation. Thirty-three isolates of Ross River (RR) virus were made from 9 species, Aedes imprimens, Aedes kochi, Aedes notoscriptus, Aedes vigilax, Culex annulirostris, Culex gelidus, Mansonia septempunctata, Verrallina (formerly Aedes) carmenti, and Verrallina lineatus. Attempts to isolate RR virus from 121 Aedes aegypti were unsuccessful. Twenty six (79%) of the isolates came from within 1 km of a colony of spectacled flying-foxes, Pteropus conspicillatus. The minimum infection rate for these mosquitoes was 1.0 compared with 0.2 per 1,000 for mosquitoes trapped at all other sites. Ross River virus has not previously been isolated from Ae. imprimens, Cx. gelidus, Ma. septempunctata, Ve. carmenti, or Ve. lineatus. This is also the first isolation of an arbovirus from Cx. gelidus in Australia. In conclusion, the vector status of Ve. carmenti, Ae. aegypti and Mn. septempunctata warrants further study. This study also provides evidence that P. conspicillatus may be a reservoir host.
Keyword Tropical Medicine
Epidemic Polyarthritis
Vector Competence
Q-Index Code C1
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Public Health Publications
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Citation counts: TR Web of Science Citation Count  Cited 34 times in Thomson Reuters Web of Science Article | Citations
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Created: Wed, 15 Aug 2007, 01:17:41 EST