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Why is bird flu highly lethal to some animals, but not to others?
Euronews via Yahoo News· 4 days agoH5N1 outbreak The flu that is currently spreading, known as H5N1, was first identified in birds in...
Bird flu is highly lethal to some animals, but not to others. Scientists want to know why
San Francisco Chronicle· 7 days agoIn the last two years, bird flu has been blamed for the deaths of millions of wild and domestic...