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Influenza A/Chicken/Hong Kong/G9/1997 (H9N2)

Influenza  A/Chicken/Hong Kong/G9/1997 (H9N2) Related Products

ProteinAntibodyELISA KitcDNA Clone
ProductMoleculeCat No.Package/Price 
Influenza A H9N2 (A/Chicken/Hong Kong/G9/97) Neuraminidase / NA (His Tag)NA40034-V07H-10
40034-V07H-100
40034-V07H-50
10 µg/
100 µg/
50 µg/
Add to Cart
Add to Cart
Add to Cart
Influenza A H9N2 Neuraminidase / NA (Active)NA40034-VNAHC-60
40034-VNAHC-500
60 U/
500 U/
Add to Cart
Add to Cart
Influenza A H9N2 (A/Chicken/Hong Kong/G9/97) Hemagglutinin / HA Protein (His Tag)HA40036-V08H-50
40036-V08H-100
50 µg/
100 µg/
Add to Cart
Add to Cart
Influenza A H9N2 (A/Chicken/Hong Kong/G9/97) Hemagglutinin Protein (HA1 Subunit) (His Tag)HA40036-V08H1-50
40036-V08H1-100
40036-V08H1-10
50 µg/
100 µg/
10 µg/
Add to Cart
Add to Cart
Add to Cart

Other InfluenzaH9N2 Strains

Other InfluenzaH9N2 Reagents

Other Products at Sino Biological

Bulk Order, Quotation, Question, E-mail to:order@sinobiological.com

InfluenzaA/Chicken/Hong Kong/G9/1997 H9N2Background

H9N2 is a subtype of influenza A virus. H9N2 has been isolated from duck and chicken for many years, and is found in birds, pigs and other animals in Europe and Asia. Infection in humans is rare, and appears to lead to a mild disease. Six human cases of the H9 viruses have previously been reported in Hong Kong since 1999. In 1999 and 2003, an H9N2 influenza strain caused illness in three people, aged one, four and five years old, in Hong Kong. In 2007 an H9N2 influenza strain caused illness in a 9-month old baby in Hong Kong. And the recent case of influenza A/H9N2 in a 3 year old girl was reported on December 23, 2009. There are hundreds of strains of avian influenza viruses, but only four - H5N1, H7N3, H7N7, and H9N2 - are known to have caused human infections. In addition to H5N1, H9N2 is also considered to pose a threat to humanity.

Studies on Molecular characterization of H9N2 influenza viruses by Guan Y and colleagues suggested that H9N2 is a possible source of H5N1. Phylogenetic and antigenic analyses of the H9N2 viruses isolated from Hong Kong markets suggest three distinct sublineages. Among the chicken H9N2 viruses, the PB1 and PB2 genes are closely related to those of the H5N1 viruses. Maryland's Daniel Perez and colleagues found that just a few mutations H9N2 could turn it into a virus that people catch and transmit easily.

Sino Biological Inc offers Recombinant Neuraminidase Protein from the H9N2 Virus Strain A/Chicken/Hong Kong/G9/97.

Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"