COVID-19 origins: Did SARS-CoV-2 come from bat coronavirus RaTG13?

In February 2020, researchers from the Wuhan Institute of Virology (WIV) published an article in the journal Nature explaining that a virus extracted from bats was over 96 percent similar to SARS-CoV-2 – the virus that causes COVID-19. Did COVID-19 come from bat coronavirus RaTG13? Did the WIV ever culture RaTG13? In this episode, CGTN explains how RaTG13 differs from SARS-CoV-2.

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