What do we know about the origins of coronavirus? | ABC News

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Beijing has reacted angrily to renewed calls to investigate the origins of the COVID-19 pandemic.

Chinese authorities have dismissed the theory it may have leaked from a laboratory in Wuhan as a conspiracy.

US President Joe Biden has asked intelligence officials to determine if it was a leak or came from human contact with an infected animal.

ABC China Correspondent Bill Birtles explains what we know.

ABC News provides around the clock coverage of news events as they break in Australia and abroad, including the latest coronavirus pandemic updates. It's news when you want it, from Australia's most trusted news organisation.

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