Quotes From "The Demon In The Freezer" By Richard Preston

Doctors generally consider smallpox to be the worst human disease. It is thought to have killed more people than any other infectious pathogen, including the Black Death of the Middle Ages. Epidemiologists think that smallpox killed roughly one billion people during its last hundred years of activity onearth. Richard Preston

We could eradicate smallpox from nature, but we could not uproot the virus from the human heart Richard Preston