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posted by cmn32480 on Monday December 12 2016, @05:41PM   Printer-friendly
from the pox-on-both-your-houses dept.

Beth Mole at ArsTechnica has written an interesting article about a recent discovery that the oldest sample of smallpox is younger than we thought.

From the pockmarked mummified pharaohs of ancient Egypt to the epic triumph of complete global eradication, smallpox had a remarkable history. But that lengthy history may be in for a massive revision, thanks to a little mummy found in the crypt of a Lithuanian church.

The mummy, thought to be of a child between the ages of two and four who died sometime between 1643 and 1665, teemed with the genetic remains of the bygone virus. That smallpox DNA was the oldest ever found—yet it was quite young, evolutionarily speaking. In fact, genetic analysis of the preserved smallpox blueprints, published Thursday in Current Biology[open, DOI: 10.1016/j.cub.2016.10.061], suggests that smallpox is just hundreds of years old, not millennia as many had thought. The finding stands to rewrite the virus' storied past.

Reports of blistering, puss-packed rashes have speckled historical records for thousands of years. The dimpled pharaohs and spotted plagues in China during the 4th century were considered proof that the smallpox virus—aka Variola—plagued humankind for a long, long time. Smallpox caused massive outbreaks throughout Europe in the 17th century and devastated populations in the New World. But, in 1796, it became the first disease for which there was a vaccine. And in 1979, smallpox was declared the first—and still only—infectious disease of humans to be globally eradicated. (Rinderpest, an infectious disease of cattle and some other animals, has also been eradicated.)

The latter part of smallpox's history is still solid, thankfully. But the ancient past may crumble to dust.


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  • (Score: 1, Disagree) by Anonymous Coward on Tuesday December 13 2016, @05:03AM

    by Anonymous Coward on Tuesday December 13 2016, @05:03AM (#440669)

    virus's

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