A history of the global spread of vaccination during the Napoleonic Wars, when millions of children were saved from smallpox.

A horrifying epidemic of smallpox was sweeping across the Americas when the War of Independence began, and yet little is known about it. Fenn reveals how deeply

It seems fitting in 1973, when the World Health Organization has announced that worldwide smallpox will be eradicated completely from the world before the year'

The biological mingling of the Old and New Worlds began with the first voyage of Columbus. The exchange was a mixed blessing: it led to the disappearance of ent