Enlarge this image Modern tools of biology could allow someone to recreate a dangerous virus, such as smallpox, from scratch. Dr. Hans…
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NIH Lifts Ban On Research That Could Make Deadly Viruses Even Worse
by Nell Greenfieldboyce December 19, 2017Enlarge this image Health workers killed chickens in a Hong Kong market in 2014 in an effort to stop the spread of…