Journal of Medical Entomology (2006) 43, 1076-1081

Michael J. Turell, Christopher N. Mores, David J. Dohm, Won-Ja Lee, Heung-Chul Kim and Terry A. Klein (2006)
Laboratory transmission of Japanese encephalitis, West Nile, and Getah viruses by mosquitoes (Diptera: Culicidae) collected near camp greaves, Gyeonggi Province, Republic of Korea, 2003
Journal of Medical Entomology 43 (5), 1076-1081
Abstract: We conducted experimental studies to evaluate mosquitoes captured in Paju County, Gyeonggi Province, Republic of Korea, for their ability to transmit West Nile virus (family Flaviviridae, genus Flavivirus, WNV), Japanese encephalitis virus (family Flaviviridae, genus Flavivirus, JEV), and Getah virus (family Togaviridae, genus Alphavirus, GETV) under laboratory conditions. Both Culex pipiens pallens Coquillett and Culex tritaeniorhynchus Giles were highly susceptible to infection with WNV, with infection rates >65% when allowed to feed on chickens with viremias of ~ 10⁷ plaque-forming units (PFU) of virus/ml blood. In contrast, Cx. tritaeniorhynchus were significantly more susceptible to JEV or GETV (infection rate 100%) than were the Cx. p. pallens (infection rate 3% for JEV and 0% for GETV) captured in the same area when allowed to feed on chickens with viremias of ~ 10⁵ PFU of virus/ml blood. The detection of JEV in field-collected Cx. tritaeniorhynchus in Gyeonggi Province in 2000 and the demonstrated ability of this species to transmit this virus support the importance of the continued vaccination of Koreans against JEV and indicate a risk of infection for nonvaccinated individuals.
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Database assignments for author(s): Michael J. Turell, Terry A. Klein, David J. Dohm, Won-Ja Lee

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Culex tritaeniorhynchus		Korea-South
	Culex pipiens		Korea-South