Virulent Newcastle disease (VND) has been found in Southern California. It is a contagious disease of birds, including chickens. How to Protect Your Birds 1. Wash hands and scrub boots before and after entering an area with birds. 2. Avoid sharing equipment; clean and disinfect equipment and tires before moving them between properties. 3. Isolate any bird returning from shows for 30 days before placing them with the rest of the flock. 4. Do not bring any new birds on to your