WUHAN (REUTERS, AFP) - The head of the World Health Organisation-led team in the central Chinese city of Wuhan probing the origins of Covid-19 said on Tuesday (Feb 9) that cold chain transmission of the virus is a possibility and warrants further investigation.

"Cold chain" refers to the transport and trade of frozen food. China has pushed the idea that the virus can be transmitted by frozen food and has repeatedly announced findings of coronavirus traces on imported food packaging.