Bibliography

 

www.netdoctorco.uk/www.microbeworld.org

http://grok.isu.edu

http://www.childrensuniversity.manchester.ac.uk/interactives/science/microorganisms/whatareviruses.asp

http://www.truthorfiction.com/virusinfo.htm

 

http://www.beyondbooks.com/lif72/2.asp

http://www.sciam.com/article.cfm