Why the US is taking a second look at the 'lab leak' theory about COVID-19
PBS, 28 May 2021
Where did COVID-19 come from? In the midst of renewed questions about the novel coronavirus' origins, President Joe Biden has directed U.S. intelligence to determine if the virus jumped from animals to humans, or somehow escaped from a lab in Wuhan, China. Amna Nawaz and Nick Schifrin explore the possibilities and report what we know so far.
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