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Coronavirus ancestors have been hiding in bats for decades, ready to infect humans



The ancestors of the coronavirus novel may have been circulating in bats for decades. And those coronaviruses probably also had the ability to infect humans, according to a new study.

To understand where the new coronavirus, known as SARS-CoV-2, comes from and how it spreads to humans, scientists need to trace its evolutionary history through the virus’s genes, which are encoded in ribonucleic acid. , or RNA. But the evolutionary history of SARS-CoV-2 is complicated, because coronavirus they are known to exchange frequently genetic material with another coronavirus.


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