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A kobuvirus that infected civets in the Huanan market was closely related to a virus detected in animals sold in Sichuan and Guangxi provinces, which are closer to the territory of horseshoe bats and pangolins.

They included a horseshoe bat called Rhinolophus mabuensis and a dwarf musk shrew which scientists are still in the process of naming and describing.

But the civets proved to be intermediate hosts, and its natural host was later identified as horseshoe bats.

It remains the most likely explanation for how a coronavirus circulating in horseshoe bats in China came to infect humans in the first place.

Britain's population of greater horseshoe bats was, until recently, restricted to south and west Wales and south-west England.