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Influenza pandemic Reference Libraries

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Influenza A Virus
2011-02-17 15:02:05

Influenza A virus causes influenza in birds and some mammals. It is a genus of the Orthomyxoviridae family of viruses. Although the virus is uncommon several strains have been isolated from wild birds. Some can cause severe disease in domestic poultry and sometimes in humans. They are negative sense, single-stranded, segmented RNA viruses. Each subtype has mutated into a variety of strains with...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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