(Livescience.com)
After ravaging humanity for three millennia, the virus behind smallpox is facing its comeuppance. In May, at a meeting of the World Health Organization, nations will decide if it’s finally time to sterilize and incinerate into oblivion the known remaining samples of the virus.
Smallpox is sometimes described as the most devastating disease in human history, and the eradication of the disease — there has not been a naturally acquired case since 1977 — ranks as,
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