Thursday, March 27, 2008

Genetic structure and related subtypes

H5N1 is a subtype of the species Influenza A virus of the Influenzavirus A genus of the Orthomyxoviridae family. Like all other influenza A subtypes, the H5N1 subtype is an RNA virus. It has a segmented genome of eight negative sense, single-strands of RNA, abbreviated as PB2, PB1, PA, HA, NP, NA, M and NS. HA codes for hemagglutinin, an antigenic glycoprotein found on the surface of the

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