Ross River Virus in Mosquitoes (Diptera:Culicidae) During the 1994 Epidemic Around Brisbane, Australia

Overview

Journal J Med Entomol

Publisher Oxford University Press

Specialty Biology

Date 1997 Mar 1

PMID 9103757

Citations 18

Authors

S A Ritchie

I D Fanning

D A Phillips

H A STANDFAST

D McGinn

B H Kay

Affiliations

Soon will be listed here.

Abstract

During the summer 1994 outbreak of epidemic polyarthritis in suburban Brisbane, 29,931 adult female mosquitoes were collected by octenol-CO2 light traps and tested for virus by species in pools of approximately 20 using an in situ enzyme-linked immunoassay. Overall, 63 isolations of Ross River (RR) virus were made from 7 different mosquito species, including 23 from freshwater-breeding Culex annulirostris Skuse, 13 from peridomestic Aedes notoscriptus (Skuse), 4 from Aedes procax (Skuse), 12 from the brackish water-breeding Aedes funereus (Theobald), 9 from saltmarsh Aedes vigilax (Skuse), and 1 each from Culex sitiens Wiedemann and Aedes alternans (Westwood). The RR virus minimum infection rate in mosquitoes ranged from 1.6 to 2.5/1,000 from March to June 1994. This study implicates freshwater and brackish water mosquitoes as important suburban vectors of RR virus and indicates the need for refocusing mosquito control priorities.

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