New branch bird flu virus can be spread on a large scale
23/09/2012, 06:20 (GMT +7)
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Information from the Department of Animal Health (MARD) said the new influenza A/H5N1 virus group (group C, the branch 2.3.2.1 - is a group of highly virulent and can cause rapid death, dead waterfowl, from July in many provinces in the north and central provinces) tend to spread to the south. There are no vaccines appropriate to prevent bird flu by branching virus causes...
