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• n  (virology) ultramicroscopic infectious agent that replicates itself only within cells of living hosts; many are pathogenic; a piece of nucleic acid (DNA or RNA) wrapped in a thin coat of protein
• n  a harmful or corrupting agency
  bigotry is a virus that must not be allowed to spread
  the virus of jealousy is latent in everyone
• n  a software program capable of reproducing itself and usually capable of causing great harm to files or other programs on the same computer
  a true virus cannot spread to another computer without human assistance

• A PTI cover story: SARS: As scientists scramble to fight a deadly virus, here is what we know, what we don't and what to worry about.
• Eventually, the piggybacked antibody also tags the invading virus for destruction by other immune cells, known as T cells.
• The virus apparently spread to adjacent Virginia and South Carolina, and the University of Georgia had a local incident.

• computer virus

News & Articles

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• West Nile virus found in Yakima County mosquitoes
  West Nile virus was found in mosquitoes in two samples collected in Yakima County, the state Departm
  June 15, 2013 - Tri-City Herald
• Virus attacks through social media
  A nasty Trojan virus nicknamed Zeus has been spreading quickly through social media outlets like Facebook and via links to fake Web pages.
  June 13, 2013 - Erie Times-News
• Virus That Evolved in the Lab Delivers Gene Therapy into the Retina
  From millions of random mutations, scientists identify a virus that could make gene therapy for inherited retinal diseases safer and more effective. A new delivery mechanism shuttles gene therapy deep into the eye’s retina to repair damaged light-sensing cells without requiring a surgeon to put a needle through this delicate tissue. The approach could make it substantially easier to treat ...
  June 12, 2013 - Technology Review

Quotes

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• Margaret Chan in Los Angeles Times
  The virus writes the rules, and this one, like all influenza viruses, can change the rules, without rhyme or reason, at any time,Chan said.
• Allama Iqbal in 940 News
  Earlier Sunday, Ahsan Iqbal, a spokesman for Sharif's party, called Musharraf "a virus in the democratic computer" and said Zardari's party should not hesitate to "join us for Musharraf's impeachment."
• Sir Alex Ferguson in guardian.co.uk
  I doubt we'll get Rooney fit for the start of the season with the virus he's had,Ferguson said. "It's a virus he picked up in Nigeria and it's not a nice one, but quite a few have had it. It's such a bad virus and he's got to be training...