ScienceDaily Posted April 2, 2015 Share Posted April 2, 2015 Highly pathogenic avian influenza H5 viruses of Eurasian origin continue to circulate and evolve in North American wild birds. The term 'highly pathogenic' refers to the ability of an avian influenza virus strain to produce disease in chickens. The population-level impact of these viruses on free-living wild bird species is currently unknown. Read the full article on ScienceDaily Link to comment Share on other sites More sharing options...
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