Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus
Experimental Infection of Chickens as Candidate Sentinels for West Nile Virus
Stanley A. Langevin, Michel Bunning, Brent Davis, and Nicholas Komar
Table 1
Viremia in West Nile virus (WNV)-NY99-infected chickens
| Chicken |
Day postinoculation |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| ID# | Age(wk) | Infection mode | No. mosq. fed | 1 | 2 | 3 | 4 | 5 | Cage mate infection |
| 1103 | 20 | N | NA | --a | 3.7 | 2.7 | -- | -- | - |
| 1108 | 20 | N | NA | -- | 3.8 | 3.1 | -- | -- | + |
| 1110 | 20 | N | NA | 2.0b | 5.0 | 3.3 | -- | -- | - |
| 2019 | 20 | N | NA | -- | 2.3 | 3.4 | 2.1 | -- | - |
| 2027 | 20 | N | NA | 1.7 | 3.4 | 2.3 | -- | -- | - |
| 1112 | 17 | M | 4-5 | 3.5 | 3.6 | -- | -- | -- | - |
| 1114 | 17 | M | 4-5 | 3.0 | 3.4 | -- | -- | -- | - |
| 1116 | 17 | M | 4-5 | 3.6 | 3.7 | 2.9 | -- | -- | - |
| 1118 | 17 | M | 4-5 | 3.6 | 3.4 | -- | -- | -- | - |
| 1120 | 17 | M | 4-5 | -- | -- | -- | -- | -- | - |
| 1122 | 17 | M | 4-5 | -- | -- | 3.0 | 2.8 | -- | - |
| 2401 | 17 | M | 1 | -- | 1.7 | 3.4 | 2.3 | -- | NT |
| 2402 | 17 | M | 2 | -- | 2.7 | 3.1 | -- | -- | NT |
| 2404 | 17 | M | 1 | -- | 2.4 | 2.2 | -- | -- | NT |
| 2595 | 17 | M | 1 | -- | 2.6 | 3.5 | 2.2 | -- | NT |
| 2596 | 17 | M | 1 | 2.4 | 3.5 | -- | -- | -- | NT |
| 1124 | 60 | M | 1 | 2.9 | 3.6 | 2.0 | -- | -- | - |
| 1126 | 60 | M | 1 | -- | 4.0 | 3.4 | -- | -- | - |
| 1128 | 60 | M | 1 | -- | 3.6 | 2.9 | -- | -- | - |
| 1132 | 60 | M | 1 | -- | 3.9 | 2.8 | -- | -- | - |
| 1134 | 60 | M | 1 | 4.1 | 3.9 | -- | -- | -- | - |
aThreshold of detection is 50 PFU/mL serum.
blog10 Vero PFU per mL serum.
N = needle; NA = not applicable; M = mosquito; NT = not tested.
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