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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 1

Subtypes of avian influenza viruses isolated in the fall (September and November) from selected species during 3 consecutive hunting seasons, Texas mid–Gulf Coast, USA, 2006–07, 2007–08, and 2008–09

Species* Subtype (no. isolated)
September†
November
2006 2007 2008 2006 2007 2008
Fulvous whistling duck (Dendrocygna bicolor) H6N1
Mottled duck × mallard (Anas fulvigula × A. platyrhynchos) H6N8
Mottled duck (A. fulvigula) H6N5
Northern pintail (A. acuta) H4N8
Northern shoveler (A. clypeata) H2N9, H3N8, H4N2, H4N6, H4N8 H4N2, H5N2, H5N3, H6N2, H10N2, H11N9 (2) H7N2
Teal, blue-winged (A. discors) H1N1, H3N6, H3N8 (6) H1N1 (2), H2N8, H3N4, H3N6, H3N8 (9), H4N1, H4N6 (17), H4N8 (6), H6N1, H7N1, H7N1/4, H7N7 (2), H10N7 (5) H4N6, H4N8 H2N9, H4N2
H4N6, H4N8
H6N1 (3), H6N1/4, H6N5, H6N6, H6N8 H3N6, H5N2 (2), H5N3 (2), H7N4, H7N7 (3), H10N7, H11N9 (3) H4N8
Teal, green-winged (A. crecca) H6N2 H10N7 H1N1 H5N2, H7N1/4, H11N9

*Species selected by significance as determined by prevalence, uniqueness to the area, or native, nonmigratory species.
†Teal are the only species hunted during September on the Texas mid–Gulf coast.

Main Article

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

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