Emerging Infectious Disease ISSN: 1080-6059

Replacement of Sublineages of Avian Influenza (H5N1) by Reassortments, Sub-Saharan Africa

Ademola A. Owoade¹, Nancy A. Gerloff¹, Mariette F. Ducatez², Jolaoso O. Taiwo, Jacques R. Kremer, and Claude P. Muller

Author affiliations: University of Ibadan, Ibadan, Nigeria (A.A. Owoade); National Public Health Laboratory, Luxembourg (N.A. Gerloff, M.F. Ducatez, J.R. Kremer, C.P. Muller); Ogun State Ministry of Agriculture, Abeokuta, Nigeria (J.O. Taiwo);

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Figure 2

Schematic presentation of sublineage A–derived highly pathogenic avian influenza viruses (H5N1) and reassortants of sublineage A– and sublineage C–derived viruses identified in Nigeria in 2007. The reassortant reported from Salzberg and others in 2007 (3) is also shown. Sublineage A–derived gene segments are shown in blue; sublineage C–derived gene segments are shown in red. Gene segments are represented in the following order (from top): PB2, PB1, PA, HA, NP, NA, M, NS.

Figure 2. Schematic presentation of sublineage A–derived highly pathogenic avian influenza viruses (H5N1) and reassortants of sublineage A– and sublineage C–derived viruses identified in Nigeria in 2007. The reassortant reported from Salzberg and others in 2007 (3) is also shown. Sublineage A–derived gene segments are shown in blue; sublineage C–derived gene segments are shown in red. Gene segments are represented in the following order (from top): PB2, PB1, PA, HA, NP, NA, M, NS.

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¹These authors contributed equally to this article.

²Current affiliation: St. Jude Children's Research Hospital, Memphis, Tennessee, USA.

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