"Another possible route is the cows’ feed, owing to the fairly revolting fact that the U.S. allows farmers to feed leftover poultry bedding material — feathers, excrement, spilled seeds — to dairy and beef cattle as a cheap source of additional protein."
...is one of the main reasons why I don't eat meat in the US
We've been expecting bird flu to lunge at us for 2-5 years—it's already been wreaking havoc on marine mammals and other host species and then got into the US cattle herd due to factory farms feeding diseased chicken corpses to cattle—but it's a big leap from "a few poultry farm workers got sick" to "government forming emergency response team, setting up emergency clinic for infected doctors/nurses" (which seems to imply human-to-human transmission is now happening).