On December 9, 1979, a commission of scientists declared that
smallpox had been eradicated. The disease, which carries around
a 30 percent chance of death for those who contract it, is the only infectious disease afflicting humans that has officially been
eradicated.

The World Health Organization in 1979.

On December 9, 1979, a commission of scientists declared smallpox
has been eradicated. The disease, which carries around a 30 percent chance of death for those who contract it, is the only infectious
disease afflicting humans that has officially been eradicated.

Three former directors of the Global Smallpox Eradication Program read the news that smallpox had been globally eradicated.