Smallpox

A highly infectious, serious viral disease causing a skin rash and flu-like symptoms that has been totally eradicated throughout the world since 1980. The last naturally acquired case of smallpox occurred in Somalia in 1977, and the last cases of smallpox (from lab exposure) occurred in 1978. In May 1980 the World Health Assembly certified that the world was free of naturally occurring smallpox. However, the threat of smallpox has reemerged as a potential terroristic threat since the attack on t