Fmr. CDC head Redfield reinforces belief that Covid ‘more likely’ spread from lab leak
03:12
A House Oversight Committee hearing on the origin of Covid-19, featuring testimony from former Director of the Centers for Disease Control Robert Redfield, focused on a possible lab leak in Wuhan, China. NBC News’ Josh Lederman reports on how an investigation into the origin would affect U.S. and Chinese relations.March 8, 2023
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