As a World Health Organization team digs into the origin of the Covid-19 pandemic, other scientists are unearthing tantalizing new clues suggesting that the virus behind it evolved naturally to infect humans.
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Wall Street Journal: Covid-19 virus studies yield new clues on pandemic’s origin
Dominic Dwyer (C) and other members of the World Health Organization (WHO) team investigating the origins of the Covid-19 pandemic, leave the Hilton Wuhan Optics Valley Hotel where the team is currently based post-quarantine in Wuhan, China's central Hubei province on Jan. 29, 2021.
