What is a virus, and how does it become a danger to human life?

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  • Brown, John C. "What the Heck is a Virus?" Department of Molecular Biosciences, University of Kansas. September 2000. (March 5, 2010)http://people.ku.edu/~jbrown/virus.html
  • Crosta, Peter. "What is a Virus? What is a Viral Infection?" Medical News Today. July 20, 2009. (March 5, 2010)http://www.medicalnewstoday.com/articles/158179.php
  • Judson, Olivia. "A Gazillion Tiny Avatars." New York Times. Dec. 15, 2009. (March 5, 2010)http://opinionator.blogs.nytimes.com/2009/12/15/a-gazillion-tiny-avatars/