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Volume 9, Number 3—March 2003

Research

Experimental Infection of North American Birds with the New York 1999 Strain of West Nile Virus

Nicholas Komar*Comments to Author , Stanley Langevin*, Steven Hinten*, Nicole Nemeth*†, Eric Edwards*†, Danielle L. Hettler*†, Brent S. Davis*, Richard A. Bowen†, and Michel L. Bunning*‡
Author affiliations: *Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †Colorado State University, Fort Collins, Colorado, USA; ‡Office of the Surgeon General, United States Air Force, Bolling Air Force Base, Washington, D.C., USA

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Table 3

Daily viremia determinations for nine Fish Crows infected with West Nile virus by mosquito bitea

Bird no. Day postinoculation
1 2 3 4 5 6 7 8 9 10 11
015
3.6
5.6
5.7
5.7
<1.7
<1.7
<1.7
<1.7
<1.7
<1.7
<1.7
016
5.4
6.5
5.9
3.4
<1.7
<1.7
<1.7
<1.7
<1.7b


036
4.6
5.6
5.6
3.9
4.7
4.9
2.0
<1.7
<1.7
dead

038
4.3
5.9
5.5
4.6
3.0
2.8
1.7
<1.7
<1.7
<1.7
3.3c
049
4.7
7.0
6.9
4.7
2.4
<1.7
<1.7
<1.7
<1.7
<1.7
<1.7
050
3.0
7.4
8.7
9.9
9.5
dead





058
5.0
6.7
6.2
5.3
3.3
2.3
<1.7
<1.7
dead


403
6.2
6.8
5.7
3.0
<1.7
<1.7
<1.7
NT
NT
NT
NT
404 3.1 5.7 7.0 <1.7 3.3 <1.7 <1.7 NT NT NT NT

aValues shown are log10 transformed and represent the number of PFU/mL serum.
bMoribund/euthanized.
cDead at 12 days postinoculation.

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