| characterization of influenza a viruses isolated from wild waterfowl in zambia. | although the quest to clarify the role of wild birds in the spread of the highly pathogenic h5n1 avian influenza virus (aiv) has yielded considerable data on aivs in wild birds worldwide, information regarding the ecology and epidemiology of aivs in african wild birds is still very limited. during aiv surveillance in zambia (2008-2009), 12 viruses of distinct subtypes (h3n8, h4n6, h6n2, h9n1 and h11n9) were isolated from wild waterfowl. phylogenetic analyses demonstrated that all the isolates we ... | 2011 | 21367986 |