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swine flu

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swine flu

–noun Pathology.
a highly contagious form of influenza caused by infection with a filterable virus first isolated from swine.

Origin:
1920–25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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swine flu  
n.  A highly contagious form of human influenza caused by a filterable virus identical or related to a virus formerly isolated from infected swine.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: swine flu
Function: noun
: SWINE INFLUENZA
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
swine flu   (swīn)  Pronunciation Key 
A highly contagious form of influenza seen in swine, caused by a virus of the family Orthomyxoviridae. The infection is communicable to humans and caused a worldwide epidemic in 1918.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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