Volume 16, Number 3—March 2010
Surveillance for West Nile Virus in American White Pelicans, Montana, USA, 2006–2007
|Sample||No. (%) WNV positive, n = 19||Median viral titer, log PFU/0.5 cm3 (range)||κ|
|Skin†||15 (88.2)||3.6 (1.7–5.0)||0.88|
|Feather pulp||15 (78.9)||4.9 (1.3–5.6)||0.84|
|Oral swab||7 (36.8)||1.2 (0.7–2.1)||0.79|
|Cloacal swab||4 (21.1)||1.5 (0.7–2.7)||0.79|
*WNV, West Nile virus; κ, concordance. All carcasses were positive for WNV infection by virus isolation or detection of specific WNV RNA by reverse transcription–PCR. Only plaque assay results are presented for field-collected samples.
†Skin was collected from only 17 carcasses in the field.
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