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Bird Flu
Research on bird flu reported by scientists at National Institutes of Health
September 2nd, 2008
"We surveyed the genetic diversity among avian influenza virus (AIV) in wild birds, comprising 167 complete viral genomes from 14 bird species sampled in four locations across the United States," researchers in the United States report. "These isolates represented 29 type A influenza virus hemagglutinin ( HA) and neuraminidase (NA) subtype combinations, with up to 26% of isolates showing evidence of mixed subtype infection. Through a phylogenetic analysis of the largest data set of AIV genomes compiled to date, we were able to document a remarkably high rate of genome reassortment, with no clear pattern of gene segment association and occasional inter-hemisphere gene...
Source: TB & Outbreaks Week (2008-09-02)
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