|French researchers have resurrected the “Phoenix virus,” a “fossil” virus that lay dormant in the human genome. The retrovirus infected our ancestors millions of years ago, and is apparently still infectious in its new revivified form.|
The researchers showed that the newly crated virus could infect a variety of human cell lines and replicate. But its infectivity (sic) was extremely low, perhaps because human cells have evolved resistance against such viral invaders.
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