Last year, when an H5N1 avian flu virus — commonly known as bird flu — was spilling over from bird populations into a variety of wild mammals, Seema Lakdawala, a virologist and influenza A transmission specialist at Emory University, was “not overly concerned” about human risk. We don’t have “much of an interface with seals or with foxes, for that matter, or polar bears,” she says. But when it comes to cows, that interface is vast. People on dairy farms regularly interact with cows and their... Read this story