Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 11, Number 9—September 2005
Research

West Nile Virus–infected Mosquitoes, Louisiana, 2002

Marvin S. Godsey*, Roger Nasci*, Harry M. Savage*, Stephen Aspen*, Raymond King*, Ann M. Powers*, Kristen Burkhalter*, Leah Colton*, Dawn Charnetzky*, Sarah Lasater*, Viki Taylor†, and Charles T. Palmisano†
Author affiliations: *Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †St. Tammany Parish Mosquito Abatement District, Slidell, Louisiana, USA

Main Article

Table 4

Estimated mosquito pool West Nile virus (WNV) infection rates per 1,000 mosquitoes and 95% confidence intervals (CIs)*

Parish Site† Sampling period Trap type‡ WNV+ pools Species No. mosquitoes tested Infection rate: MLE (95% CI)
St. Tammany B Aug 3–6 Light 1 Cx. salinarius 92 10.91 (5.46–21.83)
E Aug 12–15 Gravid 2 Cx. quinquefasciatus 829 2.61 (1.31–5.22)
F Aug 12–15 Gravid 1 Cx. quinquefasciatus 427 2.31 (1.16–4.62)
l Aug 14–15 Gravid 1 Cx. quinquefasciatus 223 5.64 (2.82–11.28)
Tangipahoa A Aug 7–10 Light 1 Cq. perturbans 1,223 0.81 (0.41–1.62)
B Aug 7–10 Gravid 3 Cx. quinquefasciatus 922 3.41 (1.71–6.82)

*Calculated by using a bias-corrected maximum likelihood estimate (MLE).
†Capital letters denote confirmed WNV neuroinvasive disease and WNV fever case sites; italicized lower case letters denote non-WNV case sites.
‡Light denotes CO2-baited CDC miniature light trap; gravid denotes Reiter gravid trap.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
Page reviewed: April 23, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external