The origin of coronavirus are debated, but genetic detective work is leading scientists to point at one animal suspect, CNN's Drew Griffin reports.
source https://www.cnn.com/videos/us/2020/04/06/coronavirus-origins-drew-griffin-lead-pkg-vpx.cnn
source https://www.cnn.com/videos/us/2020/04/06/coronavirus-origins-drew-griffin-lead-pkg-vpx.cnn
How top virus hunter discovered origin of virus
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