An outbreak of a deadly chicken virus in California is now in Arizona. Agriculture officials have confirmed the first case in Coconino County of virulent Newcastle disease. It’s an upper respiratory-GI illness that can affect both commercial and backyard chickens. So far it’s the only known case in the state, but there still is reason for concern. KNAU’s Ryan Heinsius spoke with Arizona State Veterinarian Dr. Peter Mundschenk who’s heading up the investigation.