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Volume 7, Number 6—December 2001


Vector Competence of Selected North American Culex and Coquillettidia Mosquitoes for West Nile Virus

Michael R. Sardelis*, Michael J. Turell†Comments to Author , David J. Dohm†, and Monica L. O'Guinn†
Author affiliations: *Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA;; †U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, Maryland, USA

Main Article

Table 3

Percent of mosquitoes with disseminated infection (after either oral exposure to or intrathoracic inoculation with West Nile virus) that transmitted virus by bite

Species (strain) No. tested Percent transmissiona
Culex nigripalpus (Indian River) 15 87 ([60-98],13)a
Cx. quinquefasciatus (Sebring) 18 94 ([73-100],17)a
Cx. quinquefasciatus (Vero Beach) Not determined
Cx. restuans (Maryland) 2 100 ([16-100],2)a,b
Cx. salinarius (Chambers) 16 56 ([30-80],9)a,b
Coquillettidia perturbans (Laurel)
24 ([7-50],4)b

aPercentage of mosquitoes with disseminated infection that transmitted virus by bite ([95% confidence interval (CI)], number transmitting). Percent transmissions followed by the same letter are not significantly different at alpha = 0.05 by Fisher exact test.

Main Article