Easy replication in cattle mammary glands means H5N1 bird flu is under no evolutionary pressure to adapt to spread easily in humans.

H5N1 bird flu has now crossed into U.S. dairy cattle for the first time, and alarmingly, it did so through just one spillover ...

The newly identified deer, a 4.5-year-old white-tailed buck, was harvested by a landowner helping the DNR with ongoing ...