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Bird Flu
Research from J. Steel and co-authors reveals new findings on bird flu
May 12th, 2009
"Since 2003, more than 380 cases of H5N1 influenza virus infection of humans have been reported. Although the resultant disease in these cases was often severe or fatal, transmission of avian influenza viruses between humans is rare," scientists writing in the journal Plos Pathogens report. "The precise nature of the barrier blocking human-to-human spread is unknown. It is clear, however, that efficient human-to-human transmission of an antigenically novel influenza virus would result in a pandemic. Influenza viruses with changes at amino acids 627 or 701 of the PB2 protein have been isolated from human cases of highly pathogenic H5 and H7 avian influenza....
Source: TB & Outbreaks Week (2009-05-12)
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