Which mammals? Paragraph 1: "A new study provides evidence that a spillover of avian influenza from birds to dairy cattle across several U.S. states has now led

Which mammals? Paragraph 1: "A new study provides evidence that a spillover of avian influenza from birds to dairy cattle across several U.S. states has now led to mammal-to-mammal transmission – between cows and from cows to cats and a raccoon."