(CIDRAP News) The US Department of Agriculture (USDA) yesterday announced that the quarantine for exotic Newcastle disease (END) has been lifted for Arizona, Nevada, and Texas. In addition, the quarantine zone in Southern California has been reduced by 84%, from 46,000 to 7,300 square miles, according to a press release from the California Department of Food and Agriculture (CDFA). Birds in the areas eliminated have been thoroughly tested, with no cases of END found.