Smallpox: Should we destroy the last stockpile?

Abstract

In a sense, smallpox eradication was the fight by human species to make its vicious enemy, variola virus, extinct in the history of biological evolution. It is interesting to think, following Charles Darwin, that the worst human experience of smallpox over the past 6000 years built into the human genome to fight with it as a high priority for survival [5]. © 2011 Expert Reviews Ltd.