This item is a beautiful example of careful research, and an example of Koch's postulates in identifying the agent causing a disease. I knew a doctor in the Army when I was in the army who proved that warts are due to virus the same way as this article. He injecte4d ground up warts into volunter prisoners and they grew warts and the virus was isolated.
> 
> http://the-scientist.com/2011/05/30/one-bad-apple/-Textbook stuff. And this will rewrite a couple, no doubt...