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H9N2 Influenza Pandemic Threat Hemagglutinin (HA) Protein & Antibody

H9N2 Influenza Overview

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."

"The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), has issued a task order under an existing contract to Chiron Corporation of Emeryville, CA, for the production of an investigational vaccine based on an H9N2 strain of avian influenza virus that has infected humans and has the potential to trigger a modern-day pandemic.".

Over the years the H9N2 influenza strain caused illness in several children aged nine months to 5 years in Hong Kong with the latest occurring in December 2009.

H9N2 Influenza Virus–Hemagglutinin (HA) Protein

H9N2, A/Hong Kong/1073/99, Hemagglutinin

Product (CLICK for detailed Info. and price)	Species	Molecule	Description	Cat No
Pandemic Influenza Hemagglutinin (HA) Protein H9N2, A/Hong Kong/1073/1999	Influenza A H9N2 Virus	HA	His Tag	11229-V08H

H9N2 Influenza Virus–Hemagglutinin (HA) Antibody View antibody cross-reacting, click!

Product (CLICK for detailed Info. and price)	Species	Antibody Type	Application	Cat No
Influenza A H9N2 Hemagglutinin (HA) Antibody	Influenza A H9N2 Virus	Mouse MAb	WB	11229-MM04
Influenza A H9N2 Hemagglutinin (HA) Antibody	Influenza A H9N2 Virus	Mouse MAb	ELISA	11229-MM09
Influenza A H9N2 Hemagglutinin (HA) Antibody	Influenza A H9N2 Virus	Rabbit PAb	WB, ELISA	11229-MM15
Influenza A H9N2 Hemagglutinin (HA) Antibody	Influenza A H9N2 Virus	Rabbit MAb	WB, ELISA	11229-R106
Influenza A H9N2 Hemagglutinin (HA) Antibody	Influenza A H9N2 Virus	Rabbit PAb	WB, ELISA	11229-RP01
Influenza A H9N2 Hemagglutinin (HA) Antibody (Antigen Affinity Purified)	Influenza A H9N2 Virus	Rabbit PAb	WB, ELISA	11229-RP02

H9N2 Influenza Virus–Hemagglutinin (HA) cDNA

Product (CLICK for detailed Info. and price)	Species	Molecule	Description	Cat No
Influenza Hemagglutinin (HA) cDNA clone H9N2, A/Hong Kong/1073/99	Influenza A H9N2 Virus	HA	Codon Optimized	VG11229-C
Influenza Hemagglutinin (HA) cDNA clone H9N2, A/Hong Kong/1073/99	Influenza A H9N2 Virus	NA	Codon Optimized	VG40040-G

H9N2 Hemagglutinin (HA) ELISA Kit

Product (CLICK for detailed Info. and price)	Species	Molecule	Description	Cat No
Influenza A H9N2 Hemagglutinin (HA) ELISA Kit	Influenza A H9N2 virus	HA	ELISA	SEK11229

Worldwide Influenza Pandemics

Pandemic Influenza	Outbreak-Finish Time	Death toll	Subtype involved
Russian Flu	1889–1890	1 million	possibly H2N2
Spanish Flu	1918–1920	50 million	H1N1
Asian Flu	1957–1958	1.5 to 2 million	H2N2
Hong Kong Flu	1968–1969	1 million	H3N2
Swine Flu	2009–2010	over 18,209	novel H1N1

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Seasonal Influenza Virus: Hemagglutinin & Antibodies

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H1N1	H1N2	H1N3	H2N2	H3N2
H4N4	H4N6	H4N8	H5N1	H5N2
H5N3	H5N8	H6N1	H6N4	H7N7
H8N4	H9N2	H10N3	H10N9	H11N2
H11N9	H12N1	H12N5	H13N8	H15N8
H16N3	Influenza B

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Influenza Hemagglutinin (HA) Protein