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SinoBiological社 Recombinant Flu Antigens for Vaccine Strains

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Seasonal flu is a common infectious disease of the respiratory tract caused by influenza virus. There are four types of influenza virus, influenza type A, B, C, and D. The A and B types are of most interest to the medical community because they are the culprits for seasonal epidemics. Occasionally, influenza A, like the A/California/04/09 (H1N1) and A/Hong Kong/1/1968 (H3N2), can even cause global pandemics.

Vaccination is the most effective way to prevent flu infection. Each year, several different flu strains are selected as vaccine strains based on surveillance data of the recent isolates, and the performance of the vaccines from the previous season. In recent decades, most vaccines are trivalent or quadrivalent, including one H1N1, one H3N2, and the Yamagata and Victoria type flu B.

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Sino Biological offers recombinant Flu antigen products under its ProVir® viral antigen collection. The product line covers Hemagglutinin (HA), Neuraminidase (NA), and Nucleoprotein (NP) proteins, from all WHO-recommended vaccine strains in recent years. These antigens can be used to analyze vaccine-induced antibody response. In addition, Sino Biological also develops a large collection of monoclonal antibodies against the flu antigens. These reagents can help facilitate relevant assay development.

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Reagents for 2021-2022 Influenza Vaccine Strains

A/Victoria/2570/2019 (H1N1)

 

A/Wisconsin/588/2019 (H1N1)

Recommended for Egg-based (quadrivalent, trivalent) Vaccine

Recommended for Cell- or recombinant-based (quadrivalent, trivalent) Vaccine

HA: 40787-V08H, 40787-V08H1

HA: 40787-V08H, 40787-V08H1

NA: 40785-V08B

NA: 40785-V08B

NP: 40774-V08B

NP: 40774-V08B

B/Washington/02/2019

 

B/Phuket/3073/2013

Recommended for Egg-based, Cell- or recombinant-based (quadrivalent, trivalent) Vaccine

Recommended for Egg-based, Cell- or recombinant-based (quadrivalent) Vaccine

HA: 40722-V08H

HA: 40498-V08B

NA: 40790-V08B

NA: 40502-V07B

NP: 40755-V08B

NP: 40500-V08B

A/Cambodia/E0826360/2020 (H3N2)

Recommended for Egg-based, Cell- or recombinant-based (quadrivalent, trivalent) Vaccine

HA: 40789-V08H, 40789-V08H1

NA: 40784-V08B

NP: 40778-V08B (Under Development)

Reagents for 2015-2021 Influenza Vaccine Strains

2020-2021 Vaccine Strains

 

2019-2020 Vaccine Strains

 

2018-2019 Vaccine Strains

 

2017-2018 Vaccine Strains

 

2016-2017 Vaccine Strains

 

2015-2016 Vaccine Strains

 

More Pandemic Threat Subtypes

H1N1

 

H2N2

 

H3N2

 

H5N1

 

H7N2

 

H7N3

 

H7N7

 

H7N9

 

H9N2

 

H10N7

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