The virus is a zoonotic pathogen, meaning that it can go back and forth between species. When the virus ends up in a new host species, “that has new selection pressures, and that can basically change the course of evolution,” says Cock van Oosterhout, a professor of evolutionary genetics at the U.K.’s University of East Anglia. “Sometimes it can actually find a new way to then better infect the original host species, and then you get what are called spillback events.” … [Read more...] about Will your cat need a COVID-19 vaccine?
