Influenza Virus Resource presents data obtained from the NIAID Influenza Genome Sequencing Project as well as from GenBank,
combined with tools for flu sequence analysis and annotation.
In addition, it provides links to other resources that contain flu sequences,
publications and general information about flu viruses.
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| About the NCBI Influenza Virus Sequence Database |
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The NCBI Influenza Virus Sequence Database contains nucleotide sequences of all influenza
viruses in GenBank, as well as protein sequences and their encoding regions derived from the nucleotide sequences. The database is updated usually within a day or two after new sequences become available in GenBank. Information
for database fields (subtype, segment, host, country, year etc.) is extracted automatically from GenBank records, and
examined by NCBI staff. Information not available in GenBank records is obtained from the literature or through direct contact with sequence
submitters, whenever possible.
There are 4 major applications of the NCBI Influenza Virus Sequence Database: database browsing and sequence retrieving; complete
genome sets finding; multiple sequence alignment; and cluster or phylogenetic tree building.
All of these applications start from the database query page with slightly different restrictions for certain applications (e.g.
sequences from different segments cannot be mixed for multiple sequence alignment or tree building). For
users' conveniences, we custom-made individual interface for each application. They can be accessed through the home page of the resource,
or through the links in the top horizontal bar.
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NCBI Viruses