As the popularity of keeping backyard and urban chicken flocks grows, health and agriculture experts warn that bird flu can pose a risk to your feathered friends — and by extension, a small risk to you,

In a question and answer format, UC Riverside public policy professor Richard Carpiano and medical school professor Dr. Elizabeth Jacobs to discuss the policy response and medical issues concerning the bird flu threat.

When it comes to the potential of H5N1 avian flu, otherwise known as bird flu, picking up mutations that may lead to human-to-human spread, that "train has already left the station," warns one infectious disease expert.