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Volume 16, Number 8—August 2010
Research

Multiyear Surveillance for Avian Influenza Virus in Waterfowl from Wintering Grounds, Texas Coast, USA

Pamela J. Ferro, Christine M. Budke, Markus J. Peterson, Dayna Cox, Emily Roltsch, Todd Merendino1, Matt Nelson, and Blanca LupianiComments to Author 
Author affiliations: Texas A&M University, College Station, Texas, USA (P.J. Ferro, C.M. Budke, M.J. Peterson, D. Cox, E. Roltsch, B. Lupiani); Texas Parks and Wildlife Department, Bay City, Texas, USA (T. Merendino, M. Nelson); 1Current affiliation: Ducks Unlimited, Texas Gulf Coast, Richmond, Texas, USA.

Main Article

Table A5

Comparison of apparent prevalence of avian influenza virus by sex and detection method in hunter-harvested waterfowl, Texas mid–Gulf Coast, USA, September–January 2006–07, 2007–08, and 2008–09

Hunting season
Hen

Drake
p value for
rRT-PCR, VI
No. tested
Real-time RT-PCR*
VI†
No. tested
Real-time RT-PCR*
VI
2006–07 967 7.14 (5.51–8.76) 1.24 (0.54–1.94) 1,083 6.10 (4.67–7.53) 1.48 (0.76–2.20) 0.343, 0.645
2007–08 895 13.30 (11.10–15.50) 4.69 (3.31–6.08) 1,059 10.70 (8.89–12.60) 3.77 (2.62–4.92) 0.084, 0.312
2008–09
400
5.00 (2.86–7.14)
0.25 (0.01–1.38)

303
7.26 (4.34–10.18)
1.32 (0.36–3.35)
0.210, 0.171
Total‡ 2,262 9.20 (8.00–10.39) 2.39 (1.76–3.02) 2,445 8.26 (7.17–9.35) 2.41 (1.80–3.02) 0.255, 0.956

*RT-PCR, reverse transcription–PCR. Apparent prevalence, % (95% confidence interval).
†VI, virus isolation. Apparent prevalence, % (95% confidence interval).
‡Total = all 3 seasons combined (September−January 2006–07, 2007–08, and 2008−09).

Main Article

1Current affiliation: Ducks Unlimited, Texas Gulf Coast, Richmond, Texas, USA.

Page created: September 23, 2011
Page updated: September 23, 2011
Page reviewed: September 23, 2011
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