H5N1 avian flu viruses (seen in gold) grow inside canine kidney cells (seen in green).(Cynthia Goldsmith / CDC)

Avian flu is continuing to spread in the U.S.; in fact, according to the Centers for Disease Control and Prevention, outbreaks in dairy cattle were first reported on March 25. As of May 2, there are known cases in nine states.

Jump to today, there is now a concerning development when it comes to the transmission of this virus.
 
Dr. David Pate, former CEO of St. Luke's Health System, joined Idaho Matters to talk more about this issue.