A new test has been developed that can distinguish between birds that have been vaccinated against the H5N1 strain of avian influenza virus or ‘bird flu’ with those that have been naturally infected.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/ALOXzjZ9ptk/141031120859.htm
New step towards eradication of H5N1 bird flu
31 octubre 2014
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