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Bat virus clues to origins of Sars

Two novel Sars-like coronaviruses were found in Chinese horseshoe bats which are closely related to the pathogen that infects humans. Critically, the viruses infect human cells in the same way, binding to a receptor called ACE2. This suggests coronaviruses could transfer directly from bats to humans, rather than via an intermediate species like civets as was previously thought. Read More at BBC News.

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