Reports in Chinese language news sources indicate that Shenzhen health authorities have discovered a mutation in the H5N1 virus that recently killed a bus driver in that city. The nature of the mutation or its effects are unclear, but may make the virus more pathogenic and difficult to treat. The Chinese public is being reassured that the virus cannot transmit human to human, easily.
Immediate deposit of sequences in GenBank is necessary for evaluation of this virus.
The bird flu death man virus has the sudden change (Sina.com)
Shenzhen bird flu death man virus gene mutation (881903.com)
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