Questions for “One key change may have helped the coronavirus become a global menace”
![greater horseshoe bats hanging from cave ceiling](https://www.snexplores.org/wp-content/uploads/2021/07/070921_EG_COVID-bat-protein_feat.jpg)
Scientists don’t know exactly where the coronavirus came from. But a new study pinpoints a mutation that may have helped a bat coronavirus jump to humans. The greater horseshoe bat (Rhinolophus ferrumequinum, shown) is one bat species known to carry coronaviruses.
Remus86/istock/Getty Images Plus