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Studies from China suggest that the coronavirus can be transmitted on frozen surfaces — but scientists say that’s unlikely to be how the pandemic started.Studies from China suggest that the coronavirus can be transmitted on frozen surfaces — but scientists say that’s unlikely to be how the pandemic started.

Momentum is growing for the suggestion that the coronavirus can spread from infected frozen wildlife. A World Health Organization (WHO) fact-finding mission in China did not rule out the idea that this mode of transmission contributed to early outbreaks of COVID-19 — although investigators say it’s unlikely to have started the pandemic.

At a press conference earlier this month, the WHO team concluded that the virus probably came from bats, and was passed to people through a live intermediate animal. But the team also said it was important to investigate whether frozen meat from wild animals bred on Chinese farms might have been contaminated with the virus and have led to one of the earliest reported outbreaks, at the Huanan Seafood Market in Wuhan, China.