In the fall of 2021, as Denver was grinding through yet another phase of the COVID-19 pandemic, the SARS-CoV-2 virus quietly crossed a boundary that most people never considered: It jumped from humans ...
Two hyenas at the Denver Zoo have tested positive for coronavirus, a worldwide first. The animals were among several that were tested after the zoo’s lions came down with the infection, The Associated ...
A detailed genomic investigation of a Denver Zoo outbreak shows how SARS-CoV-2 can rapidly diversify and adapt after crossing species, offering a rare real-world view of viral evolution beyond humans.