Mega-Farms Are Driving the Threat of Bird Flu
by from on (#6SY1Z)
In the West, where herds of thousands of cattle are common, researchers are seeing cases rise at poultry and dairy operations. More than 50 workers have contracted the virus.In the West, where herds of thousands of cattle are common, researchers are seeing cases rise at poultry and dairy operations. More than 50 workers have contracted the virus.