Horseshoe bats

Horseshoe bats

Two horseshoe bats hanging upside down

By reconstructing the evolutionary history of SARS-CoV-2, the virus that is responsible for the COVID-19 pandemic, an international research team of Chinese, European and U.S. scientists has discovered that the lineage that gave rise to the virus has been circulating in bats for decades and likely includes other viruses with the ability to infect humans.

IMAGE: CreativeNature_nl, iStock