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Aug 11, 2014 05:06 AM ET
Laci Green examines some of history's most horrifying and death-dealing illnesses, the kind that lay waste to entire populations.
Jul 11, 2014 02:20 PM ET // Tia Ghose, LiveScience
The Centers for Disease Control and Prevention is now running tests on six forgotten vials of smallpox recently discovered in an unsecured laboratory.
May 2, 2014 01:50 PM ET // AFP
Even though smallpox has been eradicated, the world's remaining stockpiles should not be destroyed, scientists said.
Dec 13, 2013 11:55 AM ET
Only two diseases in the world have ever been declared "eradicated." And of those two, only one affects humans. That disease is smallpox. Trace explains how the smallpox eradication effort worked, and how it might be applied to other illnesses.