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Message: <blockquote data-quote="sriamerican" data-source="post: 26630764" data-attributes="member: 575658"> <ul> <li data-xf-list-type="ul">Analysis of 31,000-year-old teeth found DNA traces of several common viruses</li> <li data-xf-list-type="ul">The infections included human adenovirus C, associated with the 'common cold'</li> <li data-xf-list-type="ul">Researchers compared the bug to modern-day strains and extrapolated when their common ancestor emerged</li> <li data-xf-list-type="ul">They put it at between 487,000 and 963,000 years ago, with a best estimate of about 702,000 years ago</li> <li data-xf-list-type="ul">The earliest estimates for modern homo sapiens is just 200,000 years ago </li> </ul><img src="https://imagizer.imageshack.com/img924/8321/2g7WlX.png" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>

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