A debunked conspiracy theory linked to former Trump White House chief strategist Steve Bannon and his billionaire benefactor, Guo Wengui, was picked up by Murdoch-owned Australian news media and eventually landed on five Fox News shows — where it even reached the ears of a member of the U.S. Senate.

Source: How a Bannon-linked conspiracy theory about coronavirus origins landed on Murdoch-owned media, including Fox News | Media Matters for America