from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A highly contagious form of human influenza caused by a filterable virus identical or related to a virus formerly isolated from infected swine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Influenza caused by orthomyxoviruses, which pass from pigs to humans.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an acute and highly contagious respiratory disease of swine caused by the orthomyxovirus thought to be the same virus that caused the 1918 influenza pandemic


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  • I'm finding all this news about swine flu to be a bit of a boar.

    April 30, 2009

  • Pandemic? Yeah right, and pigs might fly.

    April 30, 2009

  • Follow it on Twitter.

    April 30, 2009

  • I called the swine flu hotline today, but the connection was really bad. All I got was crackling.

    May 2, 2009

  • "Swine flew? When pigs fly!"

    May 11, 2009

  • Tips for avoiding Swine Flu (hoping chained_bear hasn't posted it somewhere else).

    May 12, 2009