Scientifically known as Variola major, the deadliest form of smallpox has plagued mankind since "time immemorial." This text chronicles the worldwide effects of the killer disease, with particular emphasis on the 19th and 20th centuries, including the devastations of the "speckled disease" during great armed conflicts. Specific attention is paid to the development and utilization of Dr. Edward Jenner's vaccination, chronicling the anti-vaccination...