http://historyshortnotes.blogspot.com.au/2011/08/history-of-chickenpox-disease.html, shortnotes of history, Friday August 5, 2011, accessed on 14/4/15
http://www.patient.co.uk/health/chickenpox-in-children-under-12, patient, chickenpox in children under 12, Dr Tim Kenny, 21/07/14, accessed on 14/4/15
http://raisingchildren.net.au/articles/chickenpox.html, raisingchildren.net.au, chickenpox, Raising Children Network, 6/6/11, accessed on 15/4/15
http://chickenpox.emedtv.com/chickenpox/history-of-chickenpox.html, medtv, history of chickenpox, Arthur Schoenstadt, June 20 2013, accessed on 17/4/15
http://www.cdc.gov/chickenpox/about/transmission.html, Centers for disease control and prevention, chickenpox, transmission, November 16 2011, accessed on 17/4/15
http://www.chicagotribune.com/lifestyles/health/sns-health-ask-harvard-immune-system-story.html, Chicago tribune, immune system response to infection varies, Anthony L Komaroff, August 12 2009, accessed on 20/4/15
http://www.healthofchildren.com/C/Chickenpox.html, Encyclopedia of Children's Health, Chickenpox, 2015, accessed on 20/4/15