A/Guinea fowl/Hong Kong/WF10/1999

Influenza Hemagglutinin & Antibody Index Page (165)

A/Guinea fowl/Hong Kong/WF10/1999 (A/Guinea fowl/Hong Kong/WF10/99) Related Products

A/Guinea fowl/Hong Kong/WF10/1999 (H9N2) Hemagglutinin Protein, Recombinant

Source	Molecule	Description	Cat No
A/Guinea fowl/Hong Kong/WF10/1999 (H9N2)	HA	His Tag	11719-V08H
A/Guinea fowl/Hong Kong/WF10/1999 (H9N2)	HA1	His Tag	11719-V08H1

A/Guinea fowl/Hong Kong/WF10/1999 (H9N2) Hemagglutinin cDNA Clone

Source	Molecule	Description	Cat No
A/Guinea fowl/Hong Kong/WF10/1999 (H9N2)	HA	ORF Clone of HA DNA	VG11719-C

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Related Influenza Research Tools

H9N2 Hemagglutinin & Antibody (Avian flu) (8)
A/Guinea fowl/Hong Kong/WF10/1999	A/Hong Kong/1073/99

A/Guinea fowl/Hong Kong/WF10/1999 (A/Guinea fowl/Hong Kong/WF10/99) Background

H9N2 is a subtype of the species Influenza A virus (bird flu virus). H9N2 influenza viruses of domestic ducks have become established in the domestic poultry of Asia. Phylogenetic and antigenic analyses of the H9N2 viruses isolated from Hong Kong markets suggest three distinct sublineages. Among the chicken H9N2 viruses, six of the gene segments were apparently derived from an earlier chicken H9N2 virus isolated in China, whereas the PB1 and PB2 genes are closely related to those of the H5N1 viruses and a quail H9N2 virus A/quail/Hong Kong/G1/97 (Qa/HK/G1/97) suggesting that many of the 1997 chicken H9 isolates in the markets were reassortants. During the last decade, low pathogenic avian influenza (H9N2 subtype) outbreaks with high mortality have been reported in broiler chicken in various countries especially in some Asian and Middle East countries. There are many subtypes of avian influenza viruses, but only some strains of four subtypes have been highly pathogenic in humans. These are types H5N1, H7N3, H7N7 and H9N2. Avian influenza virus H9N2 isolates cause a mild influenza-like illness in humans. Low pathogenic avian influenza A (H9N2) infection was confirmed in 1999, in China and Hong Kong in two children, and in 2003 in Hong Kong in one child.

Sino Biological Inc offers Recombinant Hemagglutinin Protein from the A/Guinea fowl/Hong Kong/WF10/1999 (H9N2) for research aim.