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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.

The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.

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