Credits:
http://www.slic2.wsu.edu:82/hurlbert/micro101/pages/Chap11.html
http://www.ornl.gov/sci/techresources/Human_Genome/medicine/genetherapy.shtml
http://www.livescience.com/viruses/
http://www.vitagen.com.sg/livin.htm
http://www.virology.ws/2009/10/19/ten-cool-facts-about-viruses/
http://www.netdoctor.co.uk/health_advice/examinations/bloodsamples.htm
http://www.webmd.com/hiv-aids/human-immunodeficiency-virus-hiv-test
http://www.poultry-health.com/library/serodiss/haemaggl.htm
http://www.bdbiosciences.com/support/resources/baculovirus/plaque_assay.jsp
http://education.yahoo.com/reference/dictionary/entry/polymerase%20chain%20reaction