Volume 7, Number 6—December 2001
Research
Vector Competence of Selected North American Culex and Coquillettidia Mosquitoes for West Nile Virus
Michael R. Sardelis*, Michael J. Turell†
, David J. Dohm†, and Monica L. O'Guinn†
, David J. Dohm†, and Monica L. O'Guinn†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) |
17 |
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.
