What is H1N1?
http://www.who.int/csr/disease/swineflu/en/index.html
The ‘Birth’ of H1N1
http://upload.wikimedia.org/wikipedia/commons/d/d0/AntigenicShift_HiRes.png
Tracking Swine Flu Cases Worldwide
http://www.nytimes.com/interactive/2009/04/27/us/20090427-flu-update-graphic.html
Farmers Fear Pigs May Get Swine Flu From Humans
Medical Geography: History and Overview
http://geography.about.com/od/culturalgeography/a/medicalgeograph.htm
