Volume 11, Number 9—September 2005
Research
West Nile Virus–infected Mosquitoes, Louisiana, 2002
Table 1
Trapping effort at West Nile virus (WNV) case-patient and non–case-patient residences, August 3–15, 2002
| Parish | Site* | Case onset date | Collection dates | No. trap nights† |
||
|---|---|---|---|---|---|---|
| Light | Gravid | Other methods‡ | ||||
| St. Tammany | A | Jul 11 | Aug 3–6 | 55 | 59 | |
| B | Jul 13 | Aug 3–6 | 59 | 51 | ||
| C | Jul 24 | Aug 12–15 | 12 | 12 | A | |
| D | Jul 29 | Aug 12–15 | 8 | 8 | A | |
| E | Aug 2 | Aug 12–15 | 11 | 16 | 4 F, 4 D, A | |
| F | Aug 4 | Aug 12–15 | 19 | 21 | ||
| I | Jul 28 | Aug 12–15 | 12 | 12 | A | |
| J | Aug 4 | Aug 12–15 | 3 | 3 | ||
| K | Jul 29 | Aug 13–15 | 6 | 6 | ||
| g | Not given | Aug 13–15 | 9 | 15 | 3 F | |
| l | Not given | Aug 14–15 | 2 | 2 | ||
| m | Not given | Aug 14–15 | 4 | 4 | ||
| Tangipahoa | A | Jul 11 | Aug 7–10 | 54 | 59 | |
| B | Jun 21 | Aug 7–10 | 60 | 48 | ||
*Capital letters denote confirmed WNV neuroinvasive disease and WNV fever case sites; italicized lower case letters denote non-WNV case sites.
†Only night collections used for trap night calculations.
‡A, aspiration outside buildings; F, Fay-Prince trap; D, duplex cone. Numbers denote trap nights; aspiration times not recorded.
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