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source: [Orthomyxoviridae] (https://veteriankey.com/orthomyxoviridae/)
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Virions are spherical or pleomorphic with helical symmetry with a size range of
80–120 nm in diameter.

source: [Properties of Orthomyxoviruses](https://microbeonline.com/properties-orthomyxoviruses-paramyxoviruses-family/)
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Orthomyxoviruses possess 6–8 negative-sense, single-stranded RNA segments. Influenza virus types A and B and Isavirus contain eight RNA segments; influenza C and influenza D, seven RNA segments. 8 segments coding for 11 proteins.
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## Proteins ##
source: [Influenza A virus structure](https://www.mdpi.com/1999-4915/10/9/497/html)
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source: [Fenner and White's Medical Virology](https://www.sciencedirect.com/book/9780123751560/fenner-and-whites-medical-virology)
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