'In 1979 the World Health Organization marked the disappearance of this viral disease from the Earth'
Smallpox
IT'S A SMALL WORLD: In 1979 the World Health Organization marked the disappearance of this viral disease from the Earth
In 1979 the World Health Organization marked the disappearance of this viral disease from the Earth
In 1979 the World Health Organization marked the disappearance of this viral disease from the Earth
IT'S A "SMALL" WORLD
Smallpox
IT'S A "SMALL" WORLD