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Influenza B Antigen

Native Influenza B Antigen

Product Type
Influenza B Antigen

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This product is a native influenza B antigen. Influenza is an acute infection of the respiratory tract caused by the Influenza virus, of which there are several different types.

Influenza B is only known to infect humans and seals. Influenza infection in humans causes chills, fever, pharyngitis, muscle pain, headaches, coughing and weakness. The virus is transmitted through the air by coughs or sneezes or through saliva, nasal secretions, faeces and blood. Infection may occur through direct contact with infected bodily fluid or contaminated surfaces. Influenza B viruses mutate slower than Influenza A, but fast enough that lasting immunity is not possible. The slower mutation rate and limited host range makes Influenza B less like to cause pandemics than Influenza A.

Target Species
Product Form
Inactivated Influenza B antigen - liquid
Influenza B, strain Hong Kong 5/72, cultured in MDCK cells. Clarified and concentrated cell culture supernatant. The antigen preparation is inactivated by gamma radiation.
Buffer Solution
Eagle's Minimum Essential Medium
Preservative Stabilisers
None present
20480 HA units/ml as determined by hemagglutination endpoint assay.
Approx. Protein Concentrations
Current, batch-specific concentration 1.15 mg/ml
For research purposes only
Guaranteed until date of expiry. Please see product label.

Store at -70oC.
Storage in frost-free freezers is not recommended.
This product should be stored undiluted.
Avoid repeated freezing and thawing as this may denature the protein.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.
Instructions For Use
The preparation might be slightly cloudy or contain minor precipitate upon thawing. Do not sonicate and do not clarify prior to dilution at least 10-fold with working buffer.


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