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Bird Flu
Study findings from A.A. Owoade et al provide new insights into bird flu
December 16th, 2008
"Eight new full-length sequences from highly pathogenic avian influenza virus (H5N1) from 4 states in southwest Nigeria were analyzed. All gene sequences were more closely related to the first strains found in Nigeria in 2006 than to any strain found outside the country," scientists in Luxembourg report. "Six viruses had evolved by at least 3 reassortment events (AC(HA/NS), AC(NS)) from previously identified sublineages A (EMA 2) and C (EMA 1). Our results suggest that highly pathogenic avian influenza virus (H5N1) initially imported into Nigeria in 2006 have been gradually replaced by various reassortments. In all reassortants, nonstructural genes were derived from...
Source: TB & Outbreaks Week (2008-12-16)
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